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Side by Side Diff: xz/src/scripts/xzgrep.1

Issue 2869016: Add an unpatched version of xz, XZ Utils, to /trunk/deps/third_party (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/
Patch Set: Created 10 years, 6 months ago
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(Empty)
1 .\"
2 .\" Original zgrep.1 for gzip: Jean-loup Gailly
3 .\" Charles Levert <charles@comm.polymtl.ca>
4 .\"
5 .\" Modifications for XZ Utils: Lasse Collin
6 .\"
7 .\" License: GNU GPLv2+
8 .\"
9 .TH XZGREP 1 "2009-07-05" "Tukaani" "XZ Utils"
10 .SH NAME
11 xzgrep \- search compressed files for a regular expression
12 .SH SYNOPSIS
13 .B xzgrep
14 .RI [ grep_options ]
15 .RB [ \-e ]
16 .I pattern
17 .IR file ".\|.\|."
18 .br
19 .B xzegrep
20 .RB ...
21 .br
22 .B xzfgrep
23 .RB ...
24 .br
25 .B lzgrep
26 .RB ...
27 .br
28 .B lzegrep
29 .RB ...
30 .br
31 .B lzfgrep
32 .RB ...
33 .SH DESCRIPTION
34 .B xzgrep
35 invokes
36 .BR grep (1)
37 on
38 .I files
39 which may be either uncompressed or compressed with
40 .BR xz (1),
41 .BR lzma (1),
42 .BR gzip (1),
43 or
44 .BR bzip2 (1).
45 All options specified are passed directly to
46 .BR grep (1).
47 .PP
48 If no
49 .I file
50 is specified, then the standard input is decompressed if necessary and fed to
51 .BR grep (1).
52 When reading from standard input,
53 .BR gzip (1)
54 and
55 .BR bzip2 (1)
56 compressed files are not supported.
57 .PP
58 If
59 .B xzgrep
60 is invoked as
61 .B xzegrep
62 or
63 .B xzfgrep
64 then
65 .BR egrep (1)
66 or
67 .BR fgrep (1)
68 is used instead of
69 .BR grep (1).
70 The same applies to names
71 .BR lzgrep ,
72 .BR lzegrep ,
73 and
74 .BR lzfgrep ,
75 which are provided for backward compatibility with LZMA Utils.
76 .PP
77 .SH ENVIRONMENT
78 .TP
79 .B GREP
80 If the
81 .B GREP
82 environment variable is set,
83 .B xzgrep
84 uses it instead of
85 .BR grep (1),
86 .BR egrep (1),
87 or
88 .BR fgrep (1).
89 .SH "SEE ALSO"
90 .BR grep (1),
91 .BR xz (1),
92 .BR gzip (1),
93 .BR bzip2 (1),
94 .BR zgrep (1)
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