.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.2.
.TH NL "1" "August 2022" "GNU coreutils 8.32" "User Commands"
.SH NAME
nl \- manual page for nl 8.32
.SH SYNOPSIS
.B nl
[\fI\,OPTION\/\fR]... [\fI\,FILE\/\fR]...
.SH DESCRIPTION
Write each FILE to standard output, with line numbers added.
.PP
With no FILE, or when FILE is \-, read standard input.
.PP
Mandatory arguments to long options are mandatory for short options too.
.TP
\fB\-b\fR, \fB\-\-body\-numbering\fR=\fI\,STYLE\/\fR
use STYLE for numbering body lines
.TP
\fB\-d\fR, \fB\-\-section\-delimiter\fR=\fI\,CC\/\fR
use CC for logical page delimiters
.TP
\fB\-f\fR, \fB\-\-footer\-numbering\fR=\fI\,STYLE\/\fR
use STYLE for numbering footer lines
.TP
\fB\-h\fR, \fB\-\-header\-numbering\fR=\fI\,STYLE\/\fR
use STYLE for numbering header lines
.TP
\fB\-i\fR, \fB\-\-line\-increment\fR=\fI\,NUMBER\/\fR
line number increment at each line
.TP
\fB\-l\fR, \fB\-\-join\-blank\-lines\fR=\fI\,NUMBER\/\fR
group of NUMBER empty lines counted as one
.TP
\fB\-n\fR, \fB\-\-number\-format\fR=\fI\,FORMAT\/\fR
insert line numbers according to FORMAT
.TP
\fB\-p\fR, \fB\-\-no\-renumber\fR
do not reset line numbers for each section
.TP
\fB\-s\fR, \fB\-\-number\-separator\fR=\fI\,STRING\/\fR
add STRING after (possible) line number
.TP
\fB\-v\fR, \fB\-\-starting\-line\-number\fR=\fI\,NUMBER\/\fR
first line number for each section
.TP
\fB\-w\fR, \fB\-\-number\-width\fR=\fI\,NUMBER\/\fR
use NUMBER columns for line numbers
.TP
\fB\-\-help\fR
display this help and exit
.TP
\fB\-\-version\fR
output version information and exit
.PP
Default options are: \fB\-bt\fR \fB\-d\fR'\e:' \fB\-fn\fR \fB\-hn\fR \fB\-i1\fR \fB\-l1\fR \fB\-n\fR'rn' \fB\-s\fR<TAB> \fB\-v1\fR \fB\-w6\fR
.PP
CC are two delimiter characters used to construct logical page delimiters;
a missing second character implies ':'.
.PP
STYLE is one of:
.TP
a
number all lines
.TP
t
number only nonempty lines
.TP
n
number no lines
.TP
pBRE
number only lines that contain a match for the basic regular
expression, BRE
.PP
FORMAT is one of:
.TP
ln
left justified, no leading zeros
.TP
rn
right justified, no leading zeros
.TP
rz
right justified, leading zeros
.PP
GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
Report any translation bugs to <https://translationproject.org/team/>
Full documentation <https://www.gnu.org/software/coreutils/nl>
or available locally via: info '(coreutils) nl invocation'
.SH AUTHOR
Written by Scott Bartram and David MacKenzie.
.SH COPYRIGHT
Copyright \(co 2020 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
.br
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.