nl(1) - phpMan

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 logical page delimiters
       -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 for each section
       -s, --number-separator=STRING
              add STRING after (possible) line number
       -v, --starting-line-number=NUMBER
              first line number for each section
       -w, --number-width=NUMBER
              use NUMBER columns for line numbers
       --help display this help and exit
       --version
              output version information and exit
       Default options are: -bt -d'\:' -fn -hn -i1 -l1 -n'rn' -s<TAB> -v1 -w6
       CC are two delimiter characters used to construct logical  page  delim-
       iters; a missing second character implies ':'.
       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: <https://www.gnu.org/software/coreutils/>;
       Report nl translation bugs to <https://translationproject.org/team/>;
COPYRIGHT
       Copyright (C) 2018 Free Software Foundation, Inc.  License GPLv3+:  GNU
       GPL version 3 or later <https://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: <https://www.gnu.org/software/coreutils/nl>;
       or available locally via: info '(coreutils) nl invocation'
GNU coreutils 8.30                 July 2018                             NL(1)