xref: /dflybsd-src/usr.bin/gzip/znew.1 (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
1*86d7f5d3SJohn Marino.\"	$NetBSD: znew.1,v 1.2 2003/12/28 12:43:43 wiz Exp $
2*86d7f5d3SJohn Marino.\"	$OpenBSD: znew.1,v 1.1 2003/08/02 20:52:50 otto Exp $
3*86d7f5d3SJohn Marino.\"	$DragonFly: src/usr.bin/gzip/znew.1,v 1.1 2004/10/26 11:19:31 joerg Exp $
4*86d7f5d3SJohn Marino.\"
5*86d7f5d3SJohn Marino.\" Copyright (c) 2003 Otto Moerbeek <otto@drijf.net>
6*86d7f5d3SJohn Marino.\"
7*86d7f5d3SJohn Marino.\" Permission to use, copy, modify, and distribute this software for any
8*86d7f5d3SJohn Marino.\" purpose with or without fee is hereby granted, provided that the above
9*86d7f5d3SJohn Marino.\" copyright notice and this permission notice appear in all copies.
10*86d7f5d3SJohn Marino.\"
11*86d7f5d3SJohn Marino.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12*86d7f5d3SJohn Marino.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13*86d7f5d3SJohn Marino.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14*86d7f5d3SJohn Marino.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15*86d7f5d3SJohn Marino.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16*86d7f5d3SJohn Marino.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17*86d7f5d3SJohn Marino.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18*86d7f5d3SJohn Marino.\"
19*86d7f5d3SJohn Marino.Dd August 1, 2003
20*86d7f5d3SJohn Marino.Dt ZNEW 1
21*86d7f5d3SJohn Marino.Os
22*86d7f5d3SJohn Marino.Sh NAME
23*86d7f5d3SJohn Marino.Nm znew
24*86d7f5d3SJohn Marino.Nd convert compressed files to gzipped files
25*86d7f5d3SJohn Marino.Sh SYNOPSIS
26*86d7f5d3SJohn Marino.Nm
27*86d7f5d3SJohn Marino.Op Fl ftv9K
28*86d7f5d3SJohn Marino.Ar
29*86d7f5d3SJohn Marino.Sh DESCRIPTION
30*86d7f5d3SJohn MarinoThe
31*86d7f5d3SJohn Marino.Nm
32*86d7f5d3SJohn Marinoutility uncompresses files compressed by
33*86d7f5d3SJohn Marino.Xr compress 1
34*86d7f5d3SJohn Marinoand recompresses them with
35*86d7f5d3SJohn Marino.Xr gzip 1 .
36*86d7f5d3SJohn Marino.Pp
37*86d7f5d3SJohn MarinoThe options are as follows:
38*86d7f5d3SJohn Marino.Bl -tag -width Ds
39*86d7f5d3SJohn Marino.It Fl f
40*86d7f5d3SJohn MarinoOverwrite existing
41*86d7f5d3SJohn Marino.Sq .gz
42*86d7f5d3SJohn Marinofiles.
43*86d7f5d3SJohn MarinoUnless this option is specified,
44*86d7f5d3SJohn Marino.Nm
45*86d7f5d3SJohn Marinorefuses to overwrite existing files.
46*86d7f5d3SJohn Marino.It Fl t
47*86d7f5d3SJohn MarinoTest integrity of the gzipped file before deleting the original file.
48*86d7f5d3SJohn MarinoIf the integrity check fails, the original
49*86d7f5d3SJohn Marino.Sq .Z
50*86d7f5d3SJohn Marinofile is not removed.
51*86d7f5d3SJohn Marino.It Fl v
52*86d7f5d3SJohn MarinoPrint a report specifying the achieved compression ratios.
53*86d7f5d3SJohn Marino.It Fl 9
54*86d7f5d3SJohn MarinoUse the -9 mode of
55*86d7f5d3SJohn Marino.Xr gzip 1 ,
56*86d7f5d3SJohn Marinoachieving better compression at the cost of slower execution.
57*86d7f5d3SJohn Marino.It Fl K
58*86d7f5d3SJohn MarinoKeep the original
59*86d7f5d3SJohn Marino.Sq .Z
60*86d7f5d3SJohn Marinofile if it uses less disk blocks than the gzipped one.
61*86d7f5d3SJohn MarinoA disk block is 1024 bytes.
62*86d7f5d3SJohn Marino.El
63*86d7f5d3SJohn Marino.Sh SEE ALSO
64*86d7f5d3SJohn Marino.Xr gzip 1
65*86d7f5d3SJohn Marino.Sh CAVEATS
66*86d7f5d3SJohn MarinoThe
67*86d7f5d3SJohn Marino.Nm
68*86d7f5d3SJohn Marinoutility tries to maintain the file mode of the original file.
69*86d7f5d3SJohn MarinoIf the original file is not writable, it is not able to do that and
70*86d7f5d3SJohn Marino.Nm
71*86d7f5d3SJohn Marinowill print a warning.
72