NL("1") manual page

Table of Contents

## Name

nl - number lines of files

## Synopsis

nl [OPTION]... [FILE]...

## Description

Write each FILE to standard output, with line numbers added. With no FILE, or when FILE is -, read standard input.

-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, --page-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, --first-page=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
pREGEXP
  number only lines that contain a match for REGEXP

FORMAT is one of:

ln
  left justified, no leading zeros
rn
  right justified, no leading zeros
rz
  right justified, leading zeros

## Reporting Bugs

Report bugs to <bug-textutils@gnu.org>.

## See Also

The full documentation for nl is maintained as a Texinfo manual. If the info and nl programs are properly installed at your site, the command

info nl

should give you access to the complete manual.

## Copyright

Copyright © 1999 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Table of Contents

- Name
- Synopsis
- Description
- Reporting Bugs
- See Also
- Copyright