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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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NAME | SYNOPSIS | DESCRIPTION | AUTHOR | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON |
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NL(1) User Commands NL(1)
nl - number lines of files
nl [OPTION]... [FILE]...
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 logical page delimiters
-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 for each section
-s, --number-separator=STRING
add STRING after (possible) line number
-v, --starting-line-number=NUMBER
first line number for each section
-w, --number-width=NUMBER
use NUMBER columns for line numbers
--help display this help and exit
--version
output version information and exit
Default options are: -bt -d'\:' -fn -hn -i1 -l1 -n'rn' -s<TAB>
-v1 -w6
CC are two delimiter characters used to construct logical page
delimiters; a missing second character implies ':'. As a GNU
extension one can specify more than two characters, and also
specifying the empty string (-d '') disables section matching.
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
Written by Scott Bartram and David MacKenzie.
GNU coreutils online help:
<https://www.gnu.org/software/coreutils/>
Report any translation bugs to
<https://translationproject.org/team/>
Copyright © 2024 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.
Full documentation <https://www.gnu.org/software/coreutils/nl>
or available locally via: info '(coreutils) nl invocation'
This page is part of the coreutils (basic file, shell and text
manipulation utilities) project. Information about the project
can be found at ⟨http://www.gnu.org/software/coreutils/⟩. If you
have a bug report for this manual page, see
⟨http://www.gnu.org/software/coreutils/⟩. This page was obtained
from the tarball coreutils-9.5.tar.xz fetched from
⟨http://ftp.gnu.org/gnu/coreutils/⟩ on 2024-06-14. If you
discover any rendering problems in this HTML version of the page,
or you believe there is a better or more up-to-date source for
the page, or you have corrections or improvements to the
information in this COLOPHON (which is not part of the original
manual page), send a mail to man-pages@man7.org
GNU coreutils 9.5 March 2024 NL(1)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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