xref: /dragonfly/usr.bin/gzip/zgrep.1 (revision e1acdbad)
1.\" $NetBSD: zgrep.1,v 1.1 2003/12/28 17:26:00 wiz Exp $
2.\" $DragonFly: src/usr.bin/gzip/zgrep.1,v 1.1 2004/10/26 11:19:31 joerg Exp $
3.\"
4.\" Copyright (c) 2003 Thomas Klausner.
5.\"
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7.\" modification, are permitted provided that the following conditions
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27.Dd December 28, 2003
28.Dt ZGREP 1
29.Os
30.Sh NAME
31.Nm zgrep ,
32.Nm zegrep ,
33.Nm zfgrep
34.Nd print lines matching a pattern in gzip-compressed files
35.Sh SYNOPSIS
36.Nm
37.Op Ar grep-flags
38.Op Fl -
39.Ar pattern
40.Op Ar files ...
41.Pp
42.Nm zegrep
43.Op Ar grep-flags
44.Op Fl -
45.Ar pattern
46.Op Ar
47.Pp
48.Nm zfgrep
49.Op Ar grep-flags
50.Op Fl -
51.Ar pattern
52.Op Ar
53.Sh DESCRIPTION
54.Nm
55runs
56.Xr grep 1
57on
58.Ar files
59or stdin, if no
60.Ar files
61argument is given, after decompressing them with
62.Xr zcat 1 .
63.Pp
64The
65.Ar grep-flags
66and
67.Ar pattern
68arguments are passed on to
69.Xr grep 1 .
70If an
71.Fl e
72flag is found in the
73.Ar grep-flags ,
74.Nm
75will not look for a
76.Ar pattern
77argument.
78.Pp
79.Nm zegrep
80calls
81.Xr egrep 1 ,
82while
83.Nm zfgrep
84calls
85.Xr fgrep 1 .
86.Sh RETURN VALUES
87In case of missing arguments or missing pattern,
881 will be returned, otherwise 0.
89.Sh SEE ALSO
90.Xr egrep 1 ,
91.Xr fgrep 1 ,
92.Xr grep 1 ,
93.Xr gzip 1 ,
94.Xr zcat 1
95.Sh AUTHORS
96.An Thomas Klausner
97.Aq wiz@NetBSD.org
98