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unexpand(1)                       User Commands                      unexpand(1)




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 any translation bugs to <https://translationproject.org/team/>


COPYRIGHT

       Copyright © 2022 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 <https://www.gnu.org/software/coreutils/unexpand>
       or available locally via: info '(coreutils) unexpand invocation'



GNU coreutils 9.1                  April 2022                        unexpand(1)

coreutils 9.1 - Generated Fri Aug 12 07:53:45 CDT 2022
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