nl(1) — Linux manual pages

Linux manual pages	Section 1: General Commands

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

Report nl bugs to bug−coreutils@gnu.org

GNU coreutils home page: <http://www.gnu.org/software/coreutils/>

General help using GNU software: <http://www.gnu.org/gethelp/>

Report nl translation bugs to <http://translationproject.org/team/>

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DESCRIPTION

AUTHOR

REPORTING BUGS

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