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fmt:tldr:53655
The command "fmt ${filename}" is used to format the content of a file in a specific way.
Here's how it works:
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"${filename}" is a placeholder that represents the name of the file you want to format. You would replace "${filename}" with the actual name of the file you want to format.
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The command is usually run in a command-line interface or terminal.
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When you run the command, the "fmt" program reads the content of the specified file and formats it according to certain rules.
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The formatting rules usually involve adjusting the line length, word wrapping, indentation, and other aspects to make the text more readable.
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After formatting, the "fmt" program may overwrite the original file with the newly formatted version. If you want to keep the original file intact, it's a good practice to create a backup before running this command.
Overall, "fmt ${filename}" is a command used to format the content of a file to improve its readability and presentation.