NL(1)				 User Commands				 NL(1)



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.

       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, --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

       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
       Report bugs to .

COPYRIGHT
       Copyright  2006 Free Software Foundation, Inc.
       This  is  free  software.   You may redistribute copies of it under the
       terms	  of	  the	   GNU	    General	  Public       License
       .	 There	is NO WARRANTY, to the
       extent permitted by law.

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 com
       mand

	      info nl

       should give you access to the complete manual.



nl 5.97 			 January 2007				 NL(1)