| -a--all | convert all blanks, instead of just initial blanks |
| --first-only | convert only leading sequences of blanks (overrides -a) |
| -t--tabs | have tabs N characters apart instead of 8 (enables -a) |
| -t--tabs | 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 |
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/>
SEE ALSO
expand(1)
Full documentation <https://www.gnu.org/software/coreutils/unexpand> or available locally via: info '(coreutils) unexpand invocation'
Packaged by Debian (9.7-3) Copyright © 2025 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.