2011-05-22 21:36:34 -04:00
|
|
|
.TH GREP 1 sbase\-VERSION
|
|
|
|
|
.SH NAME
|
|
|
|
|
grep \- search files for a pattern
|
|
|
|
|
.SH SYNOPSIS
|
|
|
|
|
.B grep
|
2014-11-16 05:45:10 -05:00
|
|
|
.RB [ \-EHcilnqv ]
|
2013-09-27 11:26:22 -04:00
|
|
|
.RB [ \-e
|
|
|
|
|
.I pattern ]
|
2011-05-22 21:36:34 -04:00
|
|
|
.I pattern
|
|
|
|
|
.RI [ file ...]
|
|
|
|
|
.SH DESCRIPTION
|
|
|
|
|
.B grep
|
2011-06-18 01:42:24 -04:00
|
|
|
searches the input files for lines that match the
|
|
|
|
|
.IR pattern ,
|
|
|
|
|
a regular expression as defined in
|
2011-05-25 13:29:46 -04:00
|
|
|
.IR regex (7).
|
2011-05-22 21:36:34 -04:00
|
|
|
By default each matching line is printed to stdout. If no file is given, grep
|
|
|
|
|
reads from stdin.
|
|
|
|
|
.P
|
|
|
|
|
The status code is 0 if any lines match, and 1 if not. If an error occurred the
|
|
|
|
|
status code is 2.
|
|
|
|
|
.SH OPTIONS
|
|
|
|
|
.TP
|
2011-06-04 06:57:31 -04:00
|
|
|
.B \-E
|
|
|
|
|
matches using extended regex.
|
|
|
|
|
.TP
|
2014-11-16 05:45:10 -05:00
|
|
|
.B \-H
|
|
|
|
|
prefixes each matching line with its filename in the output. This is the
|
|
|
|
|
default when there is more than one file specified.
|
|
|
|
|
.TP
|
2011-05-22 21:36:34 -04:00
|
|
|
.B \-c
|
|
|
|
|
prints only a count of matching lines.
|
|
|
|
|
.TP
|
2013-09-27 11:26:22 -04:00
|
|
|
.B \-e pattern
|
|
|
|
|
Specify a pattern used during the search of the input: an input
|
|
|
|
|
line is selected if it matches any of the specified patterns.
|
|
|
|
|
This option is most useful when multiple -e options are used to
|
|
|
|
|
specify multiple patterns, or when a pattern begins with a dash
|
|
|
|
|
(`-').
|
|
|
|
|
.TP
|
2011-05-22 21:36:34 -04:00
|
|
|
.B \-i
|
|
|
|
|
matches lines case insensitively.
|
|
|
|
|
.TP
|
|
|
|
|
.B \-l
|
|
|
|
|
prints only the names of files with matching lines.
|
|
|
|
|
.TP
|
|
|
|
|
.B \-n
|
|
|
|
|
prefixes each matching line with its line number in the input.
|
|
|
|
|
.TP
|
|
|
|
|
.B \-q
|
|
|
|
|
prints nothing, only returns status.
|
|
|
|
|
.TP
|
|
|
|
|
.B \-v
|
|
|
|
|
selects lines which do
|
|
|
|
|
.B not
|
|
|
|
|
match the pattern.
|
2011-05-25 13:29:46 -04:00
|
|
|
.SH SEE ALSO
|
|
|
|
|
.IR regex (7)
|
