37 lines
1.6 KiB
Markdown
37 lines
1.6 KiB
Markdown
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---
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title: "Listen"
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description: "A simple automation tool for literally anything you use a shell for"
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icon: "listen.png"
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repo: "https://codeberg.org/brysonsteck/listen"
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license: "GNU General Public License v3.0 ONLY"
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languages: "Perl"
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wip: false
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current: true
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date: 2022-09-07T12:06:25-07:00
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enddate: "January 2, 2006"
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draft: false
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---
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A simple automation program written in Perl that runs shell command(s) when the specified file(s) are modified.
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## Why Use Listen?
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* Don't switch between terminals and run that command every time! Let Listen do it for you.
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* Very useful for singular files or small projects.
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* For example, you can automatically compile a C++ file with `g++` anytime you make a change to that source file.
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* Same goes for simple Python scripts, Bash scripts, etc.
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* Great for students who work on a small set of source files for assignments.
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## Other Features
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* Run the command when any or all files specified are modified.
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* Run the command before Listen starts waiting for modifications.
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* Runs out of the box! Perl is installed on any modern UNIX-like operating system.
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* Use `/bin/cksum` to determine file modification instead of the time it was written to.
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* Could be useful for binaries.
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* Also distributed with Unix-like OSes, such as Linux, BSD, and macOS. No configuration required between OSes.
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* However, if you use Windows (like a weirdo), you must use `certutils` or a third-party tool by modifying the script.
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* Timeout between modifications
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* Helpful if linters are involved, such as `clang-format`, to avoid multiple runs of a command.
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* Free and Open Source software!
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