'\" te
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.TH FGREP 1 "May 3, 2013"
.SH NAME
fgrep \- search a file for a fixed-character string
.SH SYNOPSIS
.LP
.nf
\fB/usr/bin/fgrep\fR [\fB-bcHhilnqsvx\fR] \fB-e\fR \fIpattern_list\fR [\fIfile...\fR]
.fi

.LP
.nf
\fB/usr/bin/fgrep\fR [\fB-bcHhilnqsvx\fR] \fB-f\fR \fIfile\fR [\fIfile...\fR]
.fi

.LP
.nf
\fB/usr/bin/fgrep\fR [\fB-bcHhilnqsvx\fR] \fIpattern\fR [\fIfile...\fR]
.fi

.LP
.nf
\fB/usr/xpg4/bin/fgrep\fR [\fB-bcHhilnqsvx\fR] \fB-e\fR \fIpattern_list\fR [\fB-f\fR \fIfile\fR]
     [\fIfile...\fR]
.fi

.LP
.nf
\fB/usr/xpg4/bin/fgrep\fR [\fB-bcHhilnqsvx\fR] [\fB-e\fR \fIpattern_list\fR] \fB-f\fR \fIfile\fR
     [\fIfile...\fR]
.fi

.LP
.nf
\fB/usr/xpg4/bin/fgrep\fR [\fB-bcHhilnqsvx\fR] \fIpattern\fR [\fIfile...\fR]
.fi

.SH DESCRIPTION
.sp
.LP
The \fBfgrep\fR (fast \fBgrep\fR) utility searches files for a character string
and prints all lines that contain that string. \fBfgrep\fR is different from
\fBgrep\fR(1) and from \fBegrep\fR(1) because it searches for a string, instead
of searching for a pattern that matches an expression. \fBfgrep\fR uses a fast
and compact algorithm.
.sp
.LP
The characters \fB$\fR, \fB*\fR, \fB[\fR, \fB^\fR, |, \fB(\fR, \fB)\fR, and
\fB\e\fR are interpreted literally by \fBfgrep\fR, that is, \fBfgrep\fR does
not recognize full regular expressions as does \fBegrep\fR. These characters
have special meaning to the shell. Therefore, to be safe, enclose the entire
\fIstring\fR within single quotes (\fBa\'\fR).
.sp
.LP
If no files are specified, \fBfgrep\fR assumes standard input. Normally, each
line that is found is copied to the standard output. The file name is printed
before each line that is found if there is more than one input file.
.SH OPTIONS
.sp
.LP
The following options are supported for both \fB/usr/bin/fgrep\fR and
\fB/usr/xpg4/bin/fgrep\fR:
.sp
.ne 2
.na
\fB\fB-b\fR\fR
.ad
.RS 19n
Precedes each line by the block number on which the line was found. This can be
useful in locating block numbers by context. The first block is 0.
.RE

.sp
.ne 2
.na
\fB\fB-c\fR\fR
.ad
.RS 19n
Prints only a count of the lines that contain the pattern.
.RE

.sp
.ne 2
.na
\fB\fB-e\fR \fIpattern_list\fR\fR
.ad
.RS 19n
Searches for a \fIstring\fR in \fIpattern-list\fR. This is useful when the
\fIstring\fR begins with a \fB\(mi\fR\&.
.RE

.sp
.ne 2
.na
\fB\fB-f\fR \fIpattern-file\fR\fR
.ad
.RS 19n
Takes the list of patterns from \fIpattern-file\fR.
.RE

.sp
.ne 2
.na
\fB\fB-H\fR\fR
.ad
.RS 19n
Precedes each line by the name of the file containing the matching line.
.RE

.sp
.ne 2
.na
\fB\fB-h\fR\fR
.ad
.RS 19n
Suppresses printing of files when searching multiple files.
.RE

.sp
.ne 2
.na
\fB\fB-i\fR\fR
.ad
.RS 19n
Ignores upper/lower case distinction during comparisons.
.RE

.sp
.ne 2
.na
\fB\fB-l\fR\fR
.ad
.RS 19n
Prints the names of files with matching lines once, separated by new-lines.
Does not repeat the names of files when the pattern is found more than once.
.RE

.sp
.ne 2
.na
\fB\fB-n\fR\fR
.ad
.RS 19n
Precedes each line by its line number in the file. The first line is 1.
.RE

.sp
.ne 2
.na
\fB\fB-q\fR\fR
.ad
.RS 19n
Quiet. Does not write anything to the standard output, regardless of matching
lines. Exits with zero status if an input line is selected.
.RE

.sp
.ne 2
.na
\fB\fB-s\fR\fR
.ad
.RS 19n
Legacy equivalent of \fB-q\fR.
.RE

.sp
.ne 2
.na
\fB\fB-v\fR\fR
.ad
.RS 19n
Prints all lines except those that contain the pattern.
.RE

.sp
.ne 2
.na
\fB\fB-x\fR\fR
.ad
.RS 19n
Prints only lines that are matched entirely.
.RE

.SH OPERANDS
.sp
.LP
The following operands are supported:
.sp
.ne 2
.na
\fB\fIfile\fR\fR
.ad
.RS 8n
Specifies a path name of a file to be searched for the patterns. If no
\fIfile\fR operands are specified, the standard input will be used.
.RE

.SS "/usr/bin/fgrep"
.sp
.ne 2
.na
\fB\fIpattern\fR\fR
.ad
.RS 11n
Specifies a pattern to be used during the search for input.
.RE

.SS "/usr/xpg4/bin/fgrep"
.sp
.ne 2
.na
\fB\fIpattern\fR\fR
.ad
.RS 11n
Specifies one or more patterns to be used during the search for input. This
operand is treated as if it were specified as \fB-e\fR \fIpattern_list\fR.
.RE

.SH USAGE
.sp
.LP
See \fBlargefile\fR(5) for the description of the behavior of \fBfgrep\fR when
encountering files greater than or equal to 2 Gbyte ( 2^31 bytes).
.SH ENVIRONMENT VARIABLES
.sp
.LP
See \fBenviron\fR(5) for descriptions of the following environment variables
that affect the execution of \fBfgrep\fR: \fBLC_COLLATE\fR, \fBLC_CTYPE\fR,
\fBLC_MESSAGES\fR, and \fBNLSPATH\fR.
.SH EXIT STATUS
.sp
.LP
The following exit values are returned:
.sp
.ne 2
.na
\fB\fB0\fR\fR
.ad
.RS 5n
If any matches are found
.RE

.sp
.ne 2
.na
\fB\fB1\fR\fR
.ad
.RS 5n
If no matches are found
.RE

.sp
.ne 2
.na
\fB\fB2\fR\fR
.ad
.RS 5n
For syntax errors or inaccessible files, even if matches were found.
.RE

.SS "/usr/xpg4/bin/fgrep"
.sp

.SH ATTRIBUTES
.sp
.LP
See \fBattributes\fR(5) for descriptions of the following attributes:
.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
_
CSI	Enabled
.TE

.SH SEE ALSO
.sp
.LP
\fBed\fR(1), \fBegrep\fR(1), \fBgrep\fR(1), \fBsed\fR(1), \fBsh\fR(1),
\fBattributes\fR(5), \fBenviron\fR(5), \fBlargefile\fR(5), \fBXPG4\fR(5)
.SH NOTES
.sp
.LP
Ideally, there should be only one \fBgrep\fR command, but there is not a single
algorithm that spans a wide enough range of space-time tradeoffs.
.sp
.LP
Lines are limited only by the size of the available virtual memory.
.SS "/usr/xpg4/bin/fgrep"
.sp
.LP
The \fB/usr/xpg4/bin/fgrep\fR utility is identical to \fB/usr/xpg4/bin/grep\fR
\fB-F\fR (see \fBgrep\fR(1)). Portable applications should use
\fB/usr/xpg4/bin/grep\fR \fB-F\fR.