103 lines
2.9 KiB
Groff
103 lines
2.9 KiB
Groff
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.50.1.
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.TH NL "1" "April 2025" "GNU coreutils 9.7" "User Commands"
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.SH NAME
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nl \- number lines of files
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.SH SYNOPSIS
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.B nl
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[\fI\,OPTION\/\fR]... [\fI\,FILE\/\fR]...
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.SH DESCRIPTION
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.\" Add any additional description here
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.PP
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Write each FILE to standard output, with line numbers added.
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.PP
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With no FILE, or when FILE is \-, read standard input.
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.PP
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Mandatory arguments to long options are mandatory for short options too.
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.TP
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\fB\-b\fR, \fB\-\-body\-numbering\fR=\fI\,STYLE\/\fR
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use STYLE for numbering body lines
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.TP
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\fB\-d\fR, \fB\-\-section\-delimiter\fR=\fI\,CC\/\fR
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use CC for logical page delimiters
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.TP
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\fB\-f\fR, \fB\-\-footer\-numbering\fR=\fI\,STYLE\/\fR
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use STYLE for numbering footer lines
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.TP
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\fB\-h\fR, \fB\-\-header\-numbering\fR=\fI\,STYLE\/\fR
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use STYLE for numbering header lines
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.TP
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\fB\-i\fR, \fB\-\-line\-increment\fR=\fI\,NUMBER\/\fR
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line number increment at each line
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.TP
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\fB\-l\fR, \fB\-\-join\-blank\-lines\fR=\fI\,NUMBER\/\fR
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group of NUMBER empty lines counted as one
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.TP
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\fB\-n\fR, \fB\-\-number\-format\fR=\fI\,FORMAT\/\fR
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insert line numbers according to FORMAT
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.TP
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\fB\-p\fR, \fB\-\-no\-renumber\fR
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do not reset line numbers for each section
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.TP
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\fB\-s\fR, \fB\-\-number\-separator\fR=\fI\,STRING\/\fR
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add STRING after (possible) line number
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.TP
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\fB\-v\fR, \fB\-\-starting\-line\-number\fR=\fI\,NUMBER\/\fR
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first line number for each section
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.TP
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\fB\-w\fR, \fB\-\-number\-width\fR=\fI\,NUMBER\/\fR
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use NUMBER columns for line numbers
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.TP
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\fB\-\-help\fR
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display this help and exit
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.TP
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\fB\-\-version\fR
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output version information and exit
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.PP
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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
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.PP
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CC are two delimiter characters used to construct logical page delimiters;
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a missing second character implies ':'. As a GNU extension one can specify
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more than two characters, and also specifying the empty string (\fB\-d\fR '')
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disables section matching.
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.PP
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STYLE is one of:
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.TP
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a
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number all lines
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.TP
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t
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number only nonempty lines
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.TP
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n
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number no lines
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.TP
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pBRE
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number only lines that contain a match for the basic regular
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expression, BRE
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.PP
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FORMAT is one of:
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.TP
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ln
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left justified, no leading zeros
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.TP
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rn
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right justified, no leading zeros
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.TP
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rz
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right justified, leading zeros
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.SH AUTHOR
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Written by Scott Bartram and David MacKenzie.
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.SH "REPORTING BUGS"
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GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
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.br
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Report any translation bugs to <https://translationproject.org/team/>
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.SH COPYRIGHT
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Copyright \(co 2025 Free Software Foundation, Inc.
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License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
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.br
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This is free software: you are free to change and redistribute it.
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There is NO WARRANTY, to the extent permitted by law.
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.SH "SEE ALSO"
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Full documentation <https://www.gnu.org/software/coreutils/nl>
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.br
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or available locally via: info \(aq(coreutils) nl invocation\(aq
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