\" $NetBSD: znew.1,v 1.2 2003/12/28 12:43:43 wiz Exp $
\" $OpenBSD: znew.1,v 1.1 2003/08/02 20:52:50 otto Exp $
\"
\" Copyright (c) 2003 Otto Moerbeek <
[email protected]>
\"
\" Permission to use, copy, modify, and distribute this software for any
\" purpose with or without fee is hereby granted, provided that the above
\" copyright notice and this permission notice appear in all copies.
\"
\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
\"
Dd August 1, 2003
Dt ZNEW 1
Os
Sh NAME
Nm znew
Nd convert compressed files to gzipped files
Sh SYNOPSIS
Nm
Op Fl ftv9K
Ar
Sh DESCRIPTION
The
Nm
utility uncompresses files compressed by
Xr compress 1
and recompresses them with
Xr gzip 1 .
Pp
The options are as follows:
Bl -tag -width Ds
It Fl f
Overwrite existing
Sq .gz
files.
Unless this option is specified,
Nm
refuses to overwrite existing files.
It Fl t
Test integrity of the gzipped file before deleting the original file.
If the integrity check fails, the original
Sq .Z
file is not removed.
It Fl v
Print a report specifying the achieved compression ratios.
It Fl 9
Use the -9 mode of
Xr gzip 1 ,
achieving better compression at the cost of slower execution.
It Fl K
Keep the original
Sq .Z
file if it uses less disk blocks than the gzipped one.
A disk block is 1024 bytes.
El
Sh SEE ALSO
Xr gzip 1
Sh CAVEATS
The
Nm
utility tries to maintain the file mode of the original file.
If the original file is not writable, it is not able to do that and
Nm
will print a warning.
