unexpand linux command

unexpand

unexpand [options] [files]

Convert strings of initial whitespace, consisting of at least two spaces and/or tabs to tabs. Read from standard input if given no file or a file named -.

Options

-a, --all

Convert all, not just initial, strings of spaces and tabs.

-nums, -t nums, --tabs nums

nums is a comma-separated list of integers that specify the placement of tab stops. If a single integer is provided, the tab stops are set to every integer spaces. By default, tab stops are 8 spaces apart. With -t and --tabs, the list may be separated by whitespace instead of commas. This option implies -a.

--help

Print help message and then exit.

--version

Print the version number and then exit.