NAME

       unexpand - convert spaces to tabs

SYNOPSIS

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

DESCRIPTION

       Convert blanks in each FILE to tabs, writing to standard output.

       With no FILE, or when FILE is -, read standard input.

       Mandatory arguments to long options are mandatory for short options too.

       -a, --all
              convert all blanks, instead of just initial blanks

       --first-only
              convert only leading sequences of blanks (overrides -a)

       -t, --tabs=N
              have tabs N characters apart instead of 8 (enables -a)

       -t, --tabs=LIST
              use  comma separated list of tab positions The last specified position can be prefixed with '/' to
              specify a tab size to use after the last explicitly specified tab stop.  Also a prefix of '+'  can
              be  used to align remaining tab stops relative to the last specified tab stop instead of the first
              column

       --help display this help and exit

       --version
              output version information and exit

AUTHOR

       Written by David MacKenzie.

REPORTING BUGS

       GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
       Report unexpand translation bugs to <https://translationproject.org/team/>

COPYRIGHT

       Copyright  ©  2018  Free  Software  Foundation,  Inc.   License  GPLv3+:  GNU  GPL  version  3  or  later
       <https://gnu.org/licenses/gpl.html>.
       This  is  free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent
       permitted by law.

SEE ALSO

       expand(1)

       Full documentation at: <https://www.gnu.org/software/coreutils/unexpand>
       or available locally via: info '(coreutils) unexpand invocation'