unexpand

unexpand [OPTION]... [FILE]...

Convert blanks in each FILE to tabs, writing to standard output. With no FILE, or when FILE is -, read standard input.

Options

--help, -h

Print help information

--version, -V

Print version information

--all, -a

convert all blanks, instead of just initial blanks

--first-only

convert only leading sequences of blanks (overrides -a)

--tabs, -t

--no-utf8, -U

interpret input file as 8-bit ASCII rather than UTF-8