fmt

simple optimal text formatter

TLDR

Reformat a file

>_ fmt [path/to/file]
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Reformat a file producing output lines of (at most) n characters

>_ fmt -w [n] [path/to/file]
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Reformat a file without joining lines shorter than the given width together

>_ fmt -s [path/to/file]
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Reformat a file with uniform spacing (1 space between words and 2 spaces between paragraphs)

>_ fmt -u [path/to/file]
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SYNOPSIS

fmt [ -WIDTH ][ OPTION ]...[ FILE ]...

DESCRIPTION

Reformat each paragraph in the FILE(s), writing to standard output. The option -WIDTH is an abbreviated form of --width = DIGITS .

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

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

-c , --crown -margin preserve indentation of first two lines

-p , --prefix = STRING reformat only lines beginning with STRING, reattaching the prefix to reformatted lines

-s , --split -only split long lines, but do not refill

-t , --tagged -paragraph indentation of first line different from second

-u , --uniform -spacing one space between words, two after sentences

-w , --width = WIDTH maximum line width (default of 75 columns)

-g , --goal = WIDTH goal width (default of 93% of width)

--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 2019 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

Full documentation <https://www.gnu.org/software/coreutils/fmt> or available locally via: info fmt invocation

AUTHOR

Written by Ross Paterson.

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