| Rev | Line | |
|---|
| [9] | 1 | .TH GREP 1
|
|---|
| 2 | .SH NAME
|
|---|
| 3 | grep \- search a file for lines containing a given pattern
|
|---|
| 4 | .SH SYNOPSIS
|
|---|
| 5 | \fBgrep\fR [\fB\-elnsv\fR] \fIpattern\fR [\fIfile\fR] ...\fR
|
|---|
| 6 | .br
|
|---|
| 7 | .de FL
|
|---|
| 8 | .TP
|
|---|
| 9 | \\fB\\$1\\fR
|
|---|
| 10 | \\$2
|
|---|
| 11 | ..
|
|---|
| 12 | .de EX
|
|---|
| 13 | .TP 20
|
|---|
| 14 | \\fB\\$1\\fR
|
|---|
| 15 | # \\$2
|
|---|
| 16 | ..
|
|---|
| 17 | .SH OPTIONS
|
|---|
| 18 | .FL "\-e" "\fB\-e \fIpattern\fR is the same as \fIpattern\fP
|
|---|
| 19 | .FL "\-c" "Print a count of lines matched"
|
|---|
| 20 | .FL "\-i" "Ignore case"
|
|---|
| 21 | .FL "\-l" "Print file names, no lines"
|
|---|
| 22 | .FL "\-n" "Print line numbers"
|
|---|
| 23 | .FL "\-s" "Status only, no printed output"
|
|---|
| 24 | .FL "\-v" "Select lines that do not match"
|
|---|
| 25 | .SH EXAMPLES
|
|---|
| 26 | .EX "grep mouse file " "Find lines in \fIfile\fP containing \fImouse\fP"
|
|---|
| 27 | .EX "grep [0\-9] file" "Print lines containing a digit"
|
|---|
| 28 | .SH DESCRIPTION
|
|---|
| 29 | .PP
|
|---|
| 30 | .I Grep
|
|---|
| 31 | searches one or more files (by default, \fIstdin\fR) and selects out
|
|---|
| 32 | all the lines that match the pattern.
|
|---|
| 33 | All the regular expressions accepted by
|
|---|
| 34 | .I ed
|
|---|
| 35 | and
|
|---|
| 36 | .I mined
|
|---|
| 37 | are allowed.
|
|---|
| 38 | In addition, + can be used instead of \(** to mean 1 or more occurrences,
|
|---|
| 39 | ? can be used to mean 0 or 1 occurrences, and
|
|---|
| 40 | | can be used between two regular expressions to mean either
|
|---|
| 41 | one of them.
|
|---|
| 42 | Parentheses can be used for grouping.
|
|---|
| 43 | If a match is found, exit status 0 is returned.
|
|---|
| 44 | If no match is found, exit status 1 is returned.
|
|---|
| 45 | If an error is detected, exit status 2 is returned.
|
|---|
| 46 | .SH "SEE ALSO"
|
|---|
| 47 | .BR cgrep (1),
|
|---|
| 48 | .BR fgrep (1),
|
|---|
| 49 | .BR sed (1),
|
|---|
| 50 | .BR awk (9).
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
