unexpand:tldr:a9489

unexpand: Convert blanks in each file to tabs, writing to standard output.

unexpand

$ unexpand ${filename}

try on your machine

The command "unexpand ${filename}" is used in the Unix/Linux operating systems to modify the whitespace formatting of a text file.

The ${filename} is a placeholder for the actual name of the file you want to process. You need to replace ${filename} with the correct file name or path.

When the command is run, it looks for the specified file and applies the unexpand utility to it. The unexpand utility is designed to convert spaces (or specific combination of spaces) into tabs. It does the opposite of the expand utility.

By default, the unexpand command replaces a group of eight spaces with a tab character. However, you can modify this behavior by using different options and specifying additional arguments. For example, you can specify the number of spaces to replace with a tab using the -t or --tabs=N option.

Overall, the unexpand command is handy for converting spaces to tabs when dealing with text files, which can be useful for consistent indentation or when working with certain tools that require tab characters.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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