Your company here — click to reach over 10,000 unique daily visitors

fmt - Man Page

simple optimal text formatter

Examples (TL;DR)


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


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)


display this help and exit


output version information and exit


Written by Ross Paterson.

Reporting Bugs

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

See Also

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

Referenced By

diction(1), fold(1), gjots2(1), perlform(1), shtool-table(1), s-nail(1), vis(1).

July 2024 GNU coreutils 9.5