nl — number lines of files
nl [OPTION...] [FILE...]
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=STYLEuse STYLE for numbering body lines
−d, −−section−delimiter=CCuse CC for separating logical pages
−f, −−footer−numbering=STYLEuse STYLE for numbering footer lines
−h, −−header−numbering=STYLEuse STYLE for numbering header lines
−i, −−line−increment=NUMBERline number increment at each line
−l, −−join−blank−lines=NUMBERgroup of NUMBER empty lines counted as one
−n, −−number−format=FORMATinsert line numbers according to FORMAT
−p, −−no−renumberdo not reset line numbers at logical pages
−s, −−number−separator=STRINGadd STRING after (possible) line number
−v, −−starting−line−number=NUMBERfirst line number on each logical page
−w, −−number−width=NUMBERuse NUMBER columns for line numbers
−−helpdisplay this help and exit
−−versionoutput 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:
anumber all lines
tnumber only nonempty lines
nnumber no lines
pBREnumber only lines that contain a match for the basic regular expression, BRE
FORMAT is one of:
left justified, no leading zeros
rnright justified, no leading zeros
rzright justified, leading zeros
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report nl translation bugs to <http://translationproject.org/team/>
Full documentation at: <http://www.gnu.org/software/coreutils/nl>
or available locally via: info '(coreutils) nl invocation'
| COPYRIGHT |
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Copyright © 2015 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. |