nl (1)
NAME
nl - number lines of filesSYNOPSIS
nl [,OPTION/]... [,FILE/]...DESCRIPTION
Write each FILE to standard output, with line numbers added.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
- -b, --body-numbering=,STYLE/
- use STYLE for numbering body lines
- -d, --section-delimiter=,CC/
- use CC for separating logical pages
- -f, --footer-numbering=,STYLE/
- use STYLE for numbering footer lines
- -h, --header-numbering=,STYLE/
- use STYLE for numbering header lines
- -i, --line-increment=,NUMBER/
- line number increment at each line
- -l, --join-blank-lines=,NUMBER/
- group of NUMBER empty lines counted as one
- -n, --number-format=,FORMAT/
- insert line numbers according to FORMAT
- -p, --no-renumber
- do not reset line numbers at logical pages
- -s, --number-separator=,STRING/
- add STRING after (possible) line number
- -v, --starting-line-number=,NUMBER/
- first line number on each logical page
- -w, --number-width=,NUMBER/
- use NUMBER columns for line numbers
- --help
- display this help and exit
- --version
- output version information and exit
By default, selects -v1 -i1 -l1 -sTAB -w6 -nrn -hn -bt -fn. CC are two delimiter characters for separating logical pages, a missing second character implies :. Type \\ for \. STYLE is one of:
- a
- number all lines
- t
- number only nonempty lines
- n
- number no lines
- pBRE
- number only lines that contain a match for the basic regular expression, BRE
FORMAT is one of:
- ln
- left justified, no leading zeros
- rn
- right justified, no leading zeros
- rz
- right justified, leading zeros
AUTHOR
Written by Scott Bartram and David MacKenzie.REPORTING BUGS
GNU coreutils online help: <www.gnu.org/software/coreutils>Report nl translation bugs to <translationproject.org/team>
COPYRIGHT
Copyright © 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <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 at: <www.gnu.org/software/coreutils/nl>or available locally via: info aq(coreutils) nl invocationaq