Symfony Profiler

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          From Wikipedia, the free encyclopedia\n
          \n
          Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).\n
          \n
          Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
          \n
          ### Rules\n
          \n
          - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
          - No misinformation\n
          - No NSFW content\n
          - No hate speech, bigotry, etc\n
          \n
          ### Related Communities\n
          \n
          - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
          - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
          - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
          - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
          \n
          Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
          """
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      +slug: "My-First-Regular-Expressions"
      +title: "My First Regular Expressions"
      +url: null
      +body: """
        I’ve been reading *Mastering Regular Expressions* by Jeffrey E.F. Friedl, and since nobody in my life (aside from my wife) cares, I thought I’d share something I’m pretty proud of. My first set of regular expressions, that I wrote myself to manipulate the text I’m working with.\n
        \n
        What’s I’m so happy about is that I wrote these expressions. I understand exactly what they do and the purpose of each character in each expression.\n
        \n
        I’ve used regex in the past. Stuff cobbled together from stack overflow, but I never really understood how they worked or what the expressions meant, just that they did what I needed them to do at the time.\n
        \n
        I’m only about 10% of the way through the book, but already I understand so much more than I ever did about regex *(I also recognize I have a lot to learn)*.\n
        \n
        I wrote the expressions to be used with egrep and sed to generate and clean up a list of filenames pulled out of tarballs. *(movies I’ve ripped from my DVD collection and tarballed to archive them)*.\n
        \n
        The first expression I wrote was this one used with tar and egrep to list the files in the tarball and get just the name of the video file:\n
        \n
        `tar -tzvf file.tar.gz | egrep -o ‘/[^/]*.m(kv|p4)’ > movielist`\n
        \n
        Which gives me a list of movies of which this is an example:\n
        \n
        `/The.Hunger.Games.(2012).[tmdbid-70160].mp4`\n
        \n
        Then I used sed with the expression groups to remove:\n
        \n
        - the leading forward slash\n
        - Everything from `.[` to the end\n
        - All of the periods in between words\n
        \n
        And the last expression checks for one or more spaces and replaces them with a single space.\n
        \n
        This is the full sed command:\n
        \n
        `sed -Eie ‘s/^///; s/.[[a-z]±[0-9]+].m(p4|kv)//; s/[^a-zA-Z0-9()&-]/ /g; s/ +/ /g’ movielist`\n
        \n
        Which leaves me with a pretty list of movies that looks like this:\n
        \n
        `The Hunger Games (2012)`\n
        \n
        I’m sure this could be done more elegantly, and I’m happy for any feedback on how to do that! For now, I’m just excited that I’m beginning to understand regex and how to use it!\n
        \n
        Edit: fixed title so it didn’t say “regex expressions”
        """
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      -titleTs: "'express':4 'first':2 'regular':3"
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       …2
    }
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    +image: null
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    +body: """
      Knowledge and understanding. Feels good, man.\n
      \n
      Obligatory [Xkcd](https://xkcd.com/208/).\n
      \n
      ![](https://sh.itjust.works/pictrs/image/d6d2db0a-cf5a-4270-b4bb-a898d9b88695.png)
      """
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]

App\Twig\Components\EntryCommentComponent {#2327
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        +name: "linux@lemmy.ml"
        +title: "linux"
        +description: """
          From Wikipedia, the free encyclopedia\n
          \n
          Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).\n
          \n
          Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
          \n
          ### Rules\n
          \n
          - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
          - No misinformation\n
          - No NSFW content\n
          - No hate speech, bigotry, etc\n
          \n
          ### Related Communities\n
          \n
          - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
          - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
          - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
          - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
          \n
          Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
          """
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      +image: null
      +domain: Proxies\__CG__\App\Entity\Domain {#2271 …}
      +slug: "My-First-Regular-Expressions"
      +title: "My First Regular Expressions"
      +url: null
      +body: """
        I’ve been reading *Mastering Regular Expressions* by Jeffrey E.F. Friedl, and since nobody in my life (aside from my wife) cares, I thought I’d share something I’m pretty proud of. My first set of regular expressions, that I wrote myself to manipulate the text I’m working with.\n
        \n
        What’s I’m so happy about is that I wrote these expressions. I understand exactly what they do and the purpose of each character in each expression.\n
        \n
        I’ve used regex in the past. Stuff cobbled together from stack overflow, but I never really understood how they worked or what the expressions meant, just that they did what I needed them to do at the time.\n
        \n
        I’m only about 10% of the way through the book, but already I understand so much more than I ever did about regex *(I also recognize I have a lot to learn)*.\n
        \n
        I wrote the expressions to be used with egrep and sed to generate and clean up a list of filenames pulled out of tarballs. *(movies I’ve ripped from my DVD collection and tarballed to archive them)*.\n
        \n
        The first expression I wrote was this one used with tar and egrep to list the files in the tarball and get just the name of the video file:\n
        \n
        `tar -tzvf file.tar.gz | egrep -o ‘/[^/]*.m(kv|p4)’ > movielist`\n
        \n
        Which gives me a list of movies of which this is an example:\n
        \n
        `/The.Hunger.Games.(2012).[tmdbid-70160].mp4`\n
        \n
        Then I used sed with the expression groups to remove:\n
        \n
        - the leading forward slash\n
        - Everything from `.[` to the end\n
        - All of the periods in between words\n
        \n
        And the last expression checks for one or more spaces and replaces them with a single space.\n
        \n
        This is the full sed command:\n
        \n
        `sed -Eie ‘s/^///; s/.[[a-z]±[0-9]+].m(p4|kv)//; s/[^a-zA-Z0-9()&-]/ /g; s/ +/ /g’ movielist`\n
        \n
        Which leaves me with a pretty list of movies that looks like this:\n
        \n
        `The Hunger Games (2012)`\n
        \n
        I’m sure this could be done more elegantly, and I’m happy for any feedback on how to do that! For now, I’m just excited that I’m beginning to understand regex and how to use it!\n
        \n
        Edit: fixed title so it didn’t say “regex expressions”
        """
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       …2
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    +magazine: Proxies\__CG__\App\Entity\Magazine {#2378 …2}
    +image: null
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      Knowledge and understanding. Feels good, man.\n
      \n
      Obligatory [Xkcd](https://xkcd.com/208/).\n
      \n
      ![](https://sh.itjust.works/pictrs/image/d6d2db0a-cf5a-4270-b4bb-a898d9b88695.png)
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  -requestStack: Symfony\Component\HttpFoundation\RequestStack {#1328 …}
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]

App\Twig\Components\UserInlineComponent {#2149
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[
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]

App\Twig\Components\DateComponent {#2561
  +date: DateTimeImmutable @1703457775 {#1407
    date: 2023-12-24 23:42:55.0 +01:00
  }
}

[
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]

App\Twig\Components\DateEditedComponent {#2625
  +createdAt: DateTimeImmutable @1703457775 {#1407
    date: 2023-12-24 23:42:55.0 +01:00
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  +editedAt: null
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[
  "magazine" => Proxies\__CG__\App\Entity\Magazine {#2378
    +icon: Proxies\__CG__\App\Entity\Image {#1354 …}
    +name: "linux@lemmy.ml"
    +title: "linux"
    +description: """
      From Wikipedia, the free encyclopedia\n
      \n
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      \n
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      \n
      ### Rules\n
      \n
      - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
      - No misinformation\n
      - No NSFW content\n
      - No hate speech, bigotry, etc\n
      \n
      ### Related Communities\n
      \n
      - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
      - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
      - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
      - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
      \n
      Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
      """
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]

App\Twig\Components\MagazineInlineComponent {#2690
  +magazine: Proxies\__CG__\App\Entity\Magazine {#2378
    +icon: Proxies\__CG__\App\Entity\Image {#1354 …}
    +name: "linux@lemmy.ml"
    +title: "linux"
    +description: """
      From Wikipedia, the free encyclopedia\n
      \n
      Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).\n
      \n
      Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
      \n
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      \n
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      - No misinformation\n
      - No NSFW content\n
      - No hate speech, bigotry, etc\n
      \n
      ### Related Communities\n
      \n
      - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
      - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
      - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
      - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
      \n
      Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
      """
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  }
  +showTitle: true
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}

[
  "entry" => Proxies\__CG__\App\Entity\Entry {#1908
    +user: Proxies\__CG__\App\Entity\User {#2049 …}
    +magazine: Proxies\__CG__\App\Entity\Magazine {#2378
      +icon: Proxies\__CG__\App\Entity\Image {#1354 …}
      +name: "linux@lemmy.ml"
      +title: "linux"
      +description: """
        From Wikipedia, the free encyclopedia\n
        \n
        Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).\n
        \n
        Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
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        \n
        - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
        - No misinformation\n
        - No NSFW content\n
        - No hate speech, bigotry, etc\n
        \n
        ### Related Communities\n
        \n
        - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
        - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
        - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
        - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
        \n
        Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
        """
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      I’ve been reading *Mastering Regular Expressions* by Jeffrey E.F. Friedl, and since nobody in my life (aside from my wife) cares, I thought I’d share something I’m pretty proud of. My first set of regular expressions, that I wrote myself to manipulate the text I’m working with.\n
      \n
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      \n
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      \n
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      \n
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      \n
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      \n
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      \n
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      \n
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      \n
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      \n
      I’m sure this could be done more elegantly, and I’m happy for any feedback on how to do that! For now, I’m just excited that I’m beginning to understand regex and how to use it!\n
      \n
      Edit: fixed title so it didn’t say “regex expressions”
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        From Wikipedia, the free encyclopedia\n
        \n
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        \n
        Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
        \n
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        \n
        - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
        - No misinformation\n
        - No NSFW content\n
        - No hate speech, bigotry, etc\n
        \n
        ### Related Communities\n
        \n
        - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
        - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
        - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
        - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
        \n
        Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
        """
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    +image: null
    +domain: Proxies\__CG__\App\Entity\Domain {#2271 …}
    +slug: "My-First-Regular-Expressions"
    +title: "My First Regular Expressions"
    +url: null
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      I’ve been reading *Mastering Regular Expressions* by Jeffrey E.F. Friedl, and since nobody in my life (aside from my wife) cares, I thought I’d share something I’m pretty proud of. My first set of regular expressions, that I wrote myself to manipulate the text I’m working with.\n
      \n
      What’s I’m so happy about is that I wrote these expressions. I understand exactly what they do and the purpose of each character in each expression.\n
      \n
      I’ve used regex in the past. Stuff cobbled together from stack overflow, but I never really understood how they worked or what the expressions meant, just that they did what I needed them to do at the time.\n
      \n
      I’m only about 10% of the way through the book, but already I understand so much more than I ever did about regex *(I also recognize I have a lot to learn)*.\n
      \n
      I wrote the expressions to be used with egrep and sed to generate and clean up a list of filenames pulled out of tarballs. *(movies I’ve ripped from my DVD collection and tarballed to archive them)*.\n
      \n
      The first expression I wrote was this one used with tar and egrep to list the files in the tarball and get just the name of the video file:\n
      \n
      `tar -tzvf file.tar.gz | egrep -o ‘/[^/]*.m(kv|p4)’ > movielist`\n
      \n
      Which gives me a list of movies of which this is an example:\n
      \n
      `/The.Hunger.Games.(2012).[tmdbid-70160].mp4`\n
      \n
      Then I used sed with the expression groups to remove:\n
      \n
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      - Everything from `.[` to the end\n
      - All of the periods in between words\n
      \n
      And the last expression checks for one or more spaces and replaces them with a single space.\n
      \n
      This is the full sed command:\n
      \n
      `sed -Eie ‘s/^///; s/.[[a-z]±[0-9]+].m(p4|kv)//; s/[^a-zA-Z0-9()&-]/ /g; s/ +/ /g’ movielist`\n
      \n
      Which leaves me with a pretty list of movies that looks like this:\n
      \n
      `The Hunger Games (2012)`\n
      \n
      I’m sure this could be done more elegantly, and I’m happy for any feedback on how to do that! For now, I’m just excited that I’m beginning to understand regex and how to use it!\n
      \n
      Edit: fixed title so it didn’t say “regex expressions”
      """
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}

[
  "user" => App\Entity\User {#264
    +avatar: null
    +cover: null
    +email: "leo@sh.itjust.works"
    +username: "@leo@sh.itjust.works"
    +roles: []
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    +featuredMagazines: null
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    +notifyOnNewPostReply: true
    +notifyOnNewPostCommentReply: true
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    +spamProtection: true
    +customCss: null
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    +blocks: Doctrine\ORM\PersistentCollection {#1827 …}
    +blockers: Doctrine\ORM\PersistentCollection {#1856 …}
    +blockedMagazines: Doctrine\ORM\PersistentCollection {#1855 …}
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    +reports: Doctrine\ORM\PersistentCollection {#1803 …}
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    +subscribedCategories: Doctrine\ORM\PersistentCollection {#1879 …}
    +categories: Doctrine\ORM\PersistentCollection {#1864 …}
    -id: 45405
    -password: "$2y$13$Y4Qyi3lMhMImNCNwG468J.St4/K8YtrmxZtaZreQHi7kEQvu89db6"
    -totpSecret: null
    -totpBackupCodes: []
    -oAuth2UserConsents: Doctrine\ORM\PersistentCollection {#1893 …}
    +apId: "leo@sh.itjust.works"
    +apProfileId: "https://sh.itjust.works/u/leo"
    +apPublicUrl: "https://sh.itjust.works/u/leo"
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    +apInboxUrl: "https://sh.itjust.works/inbox"
    +apDomain: "sh.itjust.works"
    +apPreferredUsername: "leo"
    +apDiscoverable: true
    +apManuallyApprovesFollowers: false
    +privateKey: null
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      date: 2024-09-25 21:45:40.0 +02:00
    }
    +apDeletedAt: null
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    +visibility: "visible             "
    +createdAt: DateTimeImmutable @1694335254 {#267
      date: 2023-09-10 10:40:54.0 +02:00
    }
  }
  "width" => 40
  "height" => 40
  "asLink" => true
]

App\Twig\Components\UserAvatarComponent {#2816
  +width: 40
  +height: 40
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    +cover: null
    +email: "leo@sh.itjust.works"
    +username: "@leo@sh.itjust.works"
    +roles: []
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    +entry: Proxies\__CG__\App\Entity\Entry {#1908
      +user: Proxies\__CG__\App\Entity\User {#2049 …}
      +magazine: Proxies\__CG__\App\Entity\Magazine {#2378
        +icon: Proxies\__CG__\App\Entity\Image {#1354 …}
        +name: "linux@lemmy.ml"
        +title: "linux"
        +description: """
          From Wikipedia, the free encyclopedia\n
          \n
          Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).\n
          \n
          Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
          \n
          ### Rules\n
          \n
          - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
          - No misinformation\n
          - No NSFW content\n
          - No hate speech, bigotry, etc\n
          \n
          ### Related Communities\n
          \n
          - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
          - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
          - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
          - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
          \n
          Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
          """
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      +slug: "My-First-Regular-Expressions"
      +title: "My First Regular Expressions"
      +url: null
      +body: """
        I’ve been reading *Mastering Regular Expressions* by Jeffrey E.F. Friedl, and since nobody in my life (aside from my wife) cares, I thought I’d share something I’m pretty proud of. My first set of regular expressions, that I wrote myself to manipulate the text I’m working with.\n
        \n
        What’s I’m so happy about is that I wrote these expressions. I understand exactly what they do and the purpose of each character in each expression.\n
        \n
        I’ve used regex in the past. Stuff cobbled together from stack overflow, but I never really understood how they worked or what the expressions meant, just that they did what I needed them to do at the time.\n
        \n
        I’m only about 10% of the way through the book, but already I understand so much more than I ever did about regex *(I also recognize I have a lot to learn)*.\n
        \n
        I wrote the expressions to be used with egrep and sed to generate and clean up a list of filenames pulled out of tarballs. *(movies I’ve ripped from my DVD collection and tarballed to archive them)*.\n
        \n
        The first expression I wrote was this one used with tar and egrep to list the files in the tarball and get just the name of the video file:\n
        \n
        `tar -tzvf file.tar.gz | egrep -o ‘/[^/]*.m(kv|p4)’ > movielist`\n
        \n
        Which gives me a list of movies of which this is an example:\n
        \n
        `/The.Hunger.Games.(2012).[tmdbid-70160].mp4`\n
        \n
        Then I used sed with the expression groups to remove:\n
        \n
        - the leading forward slash\n
        - Everything from `.[` to the end\n
        - All of the periods in between words\n
        \n
        And the last expression checks for one or more spaces and replaces them with a single space.\n
        \n
        This is the full sed command:\n
        \n
        `sed -Eie ‘s/^///; s/.[[a-z]±[0-9]+].m(p4|kv)//; s/[^a-zA-Z0-9()&-]/ /g; s/ +/ /g’ movielist`\n
        \n
        Which leaves me with a pretty list of movies that looks like this:\n
        \n
        `The Hunger Games (2012)`\n
        \n
        I’m sure this could be done more elegantly, and I’m happy for any feedback on how to do that! For now, I’m just excited that I’m beginning to understand regex and how to use it!\n
        \n
        Edit: fixed title so it didn’t say “regex expressions”
        """
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        date: 2023-12-24 23:15:31.0 +01:00
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      +__isInitialized__: true
       …2
    }
    +magazine: Proxies\__CG__\App\Entity\Magazine {#2378 …2}
    +image: null
    +parent: null
    +root: null
    +body: """
      Knowledge and understanding. Feels good, man.\n
      \n
      Obligatory [Xkcd](https://xkcd.com/208/).\n
      \n
      ![](https://sh.itjust.works/pictrs/image/d6d2db0a-cf5a-4270-b4bb-a898d9b88695.png)
      """
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App\Twig\Components\VoteComponent {#2923
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    +entry: Proxies\__CG__\App\Entity\Entry {#1908
      +user: Proxies\__CG__\App\Entity\User {#2049 …}
      +magazine: Proxies\__CG__\App\Entity\Magazine {#2378
        +icon: Proxies\__CG__\App\Entity\Image {#1354 …}
        +name: "linux@lemmy.ml"
        +title: "linux"
        +description: """
          From Wikipedia, the free encyclopedia\n
          \n
          Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).\n
          \n
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          \n
          ### Rules\n
          \n
          - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
          - No misinformation\n
          - No NSFW content\n
          - No hate speech, bigotry, etc\n
          \n
          ### Related Communities\n
          \n
          - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
          - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
          - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
          - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
          \n
          Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
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        I’ve been reading *Mastering Regular Expressions* by Jeffrey E.F. Friedl, and since nobody in my life (aside from my wife) cares, I thought I’d share something I’m pretty proud of. My first set of regular expressions, that I wrote myself to manipulate the text I’m working with.\n
        \n
        What’s I’m so happy about is that I wrote these expressions. I understand exactly what they do and the purpose of each character in each expression.\n
        \n
        I’ve used regex in the past. Stuff cobbled together from stack overflow, but I never really understood how they worked or what the expressions meant, just that they did what I needed them to do at the time.\n
        \n
        I’m only about 10% of the way through the book, but already I understand so much more than I ever did about regex *(I also recognize I have a lot to learn)*.\n
        \n
        I wrote the expressions to be used with egrep and sed to generate and clean up a list of filenames pulled out of tarballs. *(movies I’ve ripped from my DVD collection and tarballed to archive them)*.\n
        \n
        The first expression I wrote was this one used with tar and egrep to list the files in the tarball and get just the name of the video file:\n
        \n
        `tar -tzvf file.tar.gz | egrep -o ‘/[^/]*.m(kv|p4)’ > movielist`\n
        \n
        Which gives me a list of movies of which this is an example:\n
        \n
        `/The.Hunger.Games.(2012).[tmdbid-70160].mp4`\n
        \n
        Then I used sed with the expression groups to remove:\n
        \n
        - the leading forward slash\n
        - Everything from `.[` to the end\n
        - All of the periods in between words\n
        \n
        And the last expression checks for one or more spaces and replaces them with a single space.\n
        \n
        This is the full sed command:\n
        \n
        `sed -Eie ‘s/^///; s/.[[a-z]±[0-9]+].m(p4|kv)//; s/[^a-zA-Z0-9()&-]/ /g; s/ +/ /g’ movielist`\n
        \n
        Which leaves me with a pretty list of movies that looks like this:\n
        \n
        `The Hunger Games (2012)`\n
        \n
        I’m sure this could be done more elegantly, and I’m happy for any feedback on how to do that! For now, I’m just excited that I’m beginning to understand regex and how to use it!\n
        \n
        Edit: fixed title so it didn’t say “regex expressions”
        """
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      Knowledge and understanding. Feels good, man.\n
      \n
      Obligatory [Xkcd](https://xkcd.com/208/).\n
      \n
      ![](https://sh.itjust.works/pictrs/image/d6d2db0a-cf5a-4270-b4bb-a898d9b88695.png)
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          From Wikipedia, the free encyclopedia\n
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          \n
          ### Rules\n
          \n
          - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
          - No misinformation\n
          - No NSFW content\n
          - No hate speech, bigotry, etc\n
          \n
          ### Related Communities\n
          \n
          - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
          - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
          - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
          - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
          \n
          Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
          """
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      +body: """
        I’ve been reading *Mastering Regular Expressions* by Jeffrey E.F. Friedl, and since nobody in my life (aside from my wife) cares, I thought I’d share something I’m pretty proud of. My first set of regular expressions, that I wrote myself to manipulate the text I’m working with.\n
        \n
        What’s I’m so happy about is that I wrote these expressions. I understand exactly what they do and the purpose of each character in each expression.\n
        \n
        I’ve used regex in the past. Stuff cobbled together from stack overflow, but I never really understood how they worked or what the expressions meant, just that they did what I needed them to do at the time.\n
        \n
        I’m only about 10% of the way through the book, but already I understand so much more than I ever did about regex *(I also recognize I have a lot to learn)*.\n
        \n
        I wrote the expressions to be used with egrep and sed to generate and clean up a list of filenames pulled out of tarballs. *(movies I’ve ripped from my DVD collection and tarballed to archive them)*.\n
        \n
        The first expression I wrote was this one used with tar and egrep to list the files in the tarball and get just the name of the video file:\n
        \n
        `tar -tzvf file.tar.gz | egrep -o ‘/[^/]*.m(kv|p4)’ > movielist`\n
        \n
        Which gives me a list of movies of which this is an example:\n
        \n
        `/The.Hunger.Games.(2012).[tmdbid-70160].mp4`\n
        \n
        Then I used sed with the expression groups to remove:\n
        \n
        - the leading forward slash\n
        - Everything from `.[` to the end\n
        - All of the periods in between words\n
        \n
        And the last expression checks for one or more spaces and replaces them with a single space.\n
        \n
        This is the full sed command:\n
        \n
        `sed -Eie ‘s/^///; s/.[[a-z]±[0-9]+].m(p4|kv)//; s/[^a-zA-Z0-9()&-]/ /g; s/ +/ /g’ movielist`\n
        \n
        Which leaves me with a pretty list of movies that looks like this:\n
        \n
        `The Hunger Games (2012)`\n
        \n
        I’m sure this could be done more elegantly, and I’m happy for any feedback on how to do that! For now, I’m just excited that I’m beginning to understand regex and how to use it!\n
        \n
        Edit: fixed title so it didn’t say “regex expressions”
        """
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    +image: null
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      Knowledge and understanding. Feels good, man.\n
      \n
      Obligatory [Xkcd](https://xkcd.com/208/).\n
      \n
      ![](https://sh.itjust.works/pictrs/image/d6d2db0a-cf5a-4270-b4bb-a898d9b88695.png)
      """
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App\Twig\Components\BoostComponent {#2990
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    +user: App\Entity\User {#264
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      +magazine: Proxies\__CG__\App\Entity\Magazine {#2378
        +icon: Proxies\__CG__\App\Entity\Image {#1354 …}
        +name: "linux@lemmy.ml"
        +title: "linux"
        +description: """
          From Wikipedia, the free encyclopedia\n
          \n
          Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).\n
          \n
          Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.\n
          \n
          ### Rules\n
          \n
          - Posts must be relevant to operating systems running the Linux kernel. GNU/Linux or otherwise.\n
          - No misinformation\n
          - No NSFW content\n
          - No hate speech, bigotry, etc\n
          \n
          ### Related Communities\n
          \n
          - [!opensource@lemmy.ml](https://lemmy.ml/c/opensource)\n
          - [!libre_culture@lemmy.ml](https://lemmy.ml/c/libre_culture)\n
          - [!technology@lemmy.ml](https://lemmy.ml/c/technology)\n
          - [!libre_hardware@lemmy.ml](https://lemmy.ml/c/libre_hardware)\n
          \n
          Community icon by [Alpár-Etele Méder](https://www.iconfinder.com/pocike), licensed under [CC BY 3.0](https://creativecommons.org/licenses/by/3.0/)
          """
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          date: 2024-10-22 09:53:16.0 +02:00
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      }
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      +domain: Proxies\__CG__\App\Entity\Domain {#2271 …}
      +slug: "My-First-Regular-Expressions"
      +title: "My First Regular Expressions"
      +url: null
      +body: """
        I’ve been reading *Mastering Regular Expressions* by Jeffrey E.F. Friedl, and since nobody in my life (aside from my wife) cares, I thought I’d share something I’m pretty proud of. My first set of regular expressions, that I wrote myself to manipulate the text I’m working with.\n
        \n
        What’s I’m so happy about is that I wrote these expressions. I understand exactly what they do and the purpose of each character in each expression.\n
        \n
        I’ve used regex in the past. Stuff cobbled together from stack overflow, but I never really understood how they worked or what the expressions meant, just that they did what I needed them to do at the time.\n
        \n
        I’m only about 10% of the way through the book, but already I understand so much more than I ever did about regex *(I also recognize I have a lot to learn)*.\n
        \n
        I wrote the expressions to be used with egrep and sed to generate and clean up a list of filenames pulled out of tarballs. *(movies I’ve ripped from my DVD collection and tarballed to archive them)*.\n
        \n
        The first expression I wrote was this one used with tar and egrep to list the files in the tarball and get just the name of the video file:\n
        \n
        `tar -tzvf file.tar.gz | egrep -o ‘/[^/]*.m(kv|p4)’ > movielist`\n
        \n
        Which gives me a list of movies of which this is an example:\n
        \n
        `/The.Hunger.Games.(2012).[tmdbid-70160].mp4`\n
        \n
        Then I used sed with the expression groups to remove:\n
        \n
        - the leading forward slash\n
        - Everything from `.[` to the end\n
        - All of the periods in between words\n
        \n
        And the last expression checks for one or more spaces and replaces them with a single space.\n
        \n
        This is the full sed command:\n
        \n
        `sed -Eie ‘s/^///; s/.[[a-z]±[0-9]+].m(p4|kv)//; s/[^a-zA-Z0-9()&-]/ /g; s/ +/ /g’ movielist`\n
        \n
        Which leaves me with a pretty list of movies that looks like this:\n
        \n
        `The Hunger Games (2012)`\n
        \n
        I’m sure this could be done more elegantly, and I’m happy for any feedback on how to do that! For now, I’m just excited that I’m beginning to understand regex and how to use it!\n
        \n
        Edit: fixed title so it didn’t say “regex expressions”
        """
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       …2
    }
    +magazine: Proxies\__CG__\App\Entity\Magazine {#2378 …2}
    +image: null
    +parent: null
    +root: null
    +body: """
      Knowledge and understanding. Feels good, man.\n
      \n
      Obligatory [Xkcd](https://xkcd.com/208/).\n
      \n
      ![](https://sh.itjust.works/pictrs/image/d6d2db0a-cf5a-4270-b4bb-a898d9b88695.png)
      """
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}

[
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    [
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  "defaultValue" => "RIGHT"
]

App\Twig\Components\SettingsRowEnumComponent {#3354
  +label: "Sidebar position"
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  +settingsKey: "KBIN_GENERAL_SIDEBAR_POSITION"
  +values: [
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    [
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  +defaultValue: "RIGHT"
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}

[
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]

App\Twig\Components\SettingsRowSwitchComponent {#3408
  +label: "Dynamic lists"
  +help: ""
  +settingsKey: "KBIN_GENERAL_DYNAMIC_LISTS"
  +defaultValue: false
  +reloadRequired: true
}

[
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]