1.\" $NetBSD: znew.1,v 1.2 2003/12/28 12:43:43 wiz Exp $ 2.\" $OpenBSD: znew.1,v 1.1 2003/08/02 20:52:50 otto Exp $ 3.\" 4.\" Copyright (c) 2003 Otto Moerbeek <otto@drijf.net> 5.\" 6.\" Permission to use, copy, modify, and distribute this software for any 7.\" purpose with or without fee is hereby granted, provided that the above 8.\" copyright notice and this permission notice appear in all copies. 9.\" 10.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17.Dd January 26, 2007 18.Dt ZNEW 1 19.Os 20.Sh NAME 21.Nm znew 22.Nd convert compressed files to gzipped files 23.Sh SYNOPSIS 24.Nm 25.Op Fl ftv9K 26.Ar 27.Sh DESCRIPTION 28The 29.Nm 30utility uncompresses files compressed by 31.Xr compress 1 32and recompresses them with 33.Xr gzip 1 . 34.Pp 35The options are as follows: 36.Bl -tag -width Ds 37.It Fl f 38Overwrite existing 39.Sq .gz 40files. 41Unless this option is specified, 42.Nm 43refuses to overwrite existing files. 44.It Fl t 45Test integrity of the gzipped file before deleting the original file. 46If the integrity check fails, the original 47.Sq .Z 48file is not removed. 49.It Fl v 50Print a report specifying the achieved compression ratios. 51.It Fl 9 52Use the -9 mode of 53.Xr gzip 1 , 54achieving better compression at the cost of slower execution. 55.It Fl K 56Keep the original 57.Sq .Z 58file if it uses less disk blocks than the gzipped one. 59A disk block is 1024 bytes. 60.El 61.Sh SEE ALSO 62.Xr gzip 1 63.Sh CAVEATS 64The 65.Nm 66utility tries to maintain the file mode of the original file. 67If the original file is not writable, it is not able to do that and 68.Nm 69will print a warning. 70