expand

convert tabs to spaces

TLDR

Convert tabs in each file to spaces, writing to standard output

$ expand [file]
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Convert tabs to spaces, reading from standard input
$ expand
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Do not convert tabs after non blanks
$ expand -i [file]
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Have tabs a certain number of characters apart, not 8
$ expand -t=[number] [file]
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Use a comma separated list of explicit tab positions
$ expand -t=[1,4,6]
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SYNOPSIS

expand [OPTION]... [FILE]...

DESCRIPTION

Convert tabs in each FILE to spaces, 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.

-i, --initial

do not convert tabs after non blanks

-t, --tabs=N

have tabs N characters apart, not 8

-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

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

unexpand(1) Full documentation <https://www.gnu.org/software/coreutils/expand> or available locally via: info '(coreutils) expand invocation'

AUTHOR

Written by David MacKenzie.

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