nl



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

       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


AUTHOR

       Written by Scott Bartram and David MacKenzie.


REPORTING BUGS

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


COPYRIGHT

       Copyright © 2004 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.


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 coreutils nl

       should give you access to the complete manual.



nl (coreutils) 5.2.1               July 2005                             NL(1)

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