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, --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 at logical pages

       -s, --number-separator=STRING
              add STRING after (possible) line number

       -v, --starting-line-number=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
       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report nl translation bugs to <http://translationproject.org/team/>

COPYRIGHT
       Copyright (C) 2014 Free Software Foundation, Inc.  License GPLv3+:  GNU
       GPL version 3 or later <http://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.

SEE ALSO
       Full documentation at: <http://www.gnu.org/software/coreutils/nl>
       or available locally via: info '(coreutils) nl invocation'



GNU coreutils 8.23                March 2015                             NL(1)
