1.\" $NetBSD: zmore.1,v 1.2 2003/12/28 12:43:43 wiz Exp $ 2.\" $OpenBSD: zmore.1,v 1.9 2007/05/31 19:20:09 jmc Exp $ 3.\" $DragonFly: src/usr.bin/gzip/zmore.1,v 1.2 2007/07/29 17:27:45 swildner Exp $ 4.\" 5.\" Copyright (c) 2003 Todd C. Miller <Todd.Miller@courtesan.com> 6.\" 7.\" Permission to use, copy, modify, and distribute this software for any 8.\" purpose with or without fee is hereby granted, provided that the above 9.\" copyright notice and this permission notice appear in all copies. 10.\" 11.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18.\" 19.\" Sponsored in part by the Defense Advanced Research Projects 20.\" Agency (DARPA) and Air Force Research Laboratory, Air Force 21.\" Materiel Command, USAF, under agreement number F39502-99-1-0512. 22.\" 23.Dd July 18, 2009 24.Dt ZMORE 1 25.Os 26.Sh NAME 27.Nm zmore , 28.Nm zless 29.Nd view compressed files 30.Sh SYNOPSIS 31.Nm 32.Op Ar flags 33.Op Ar file ... 34.Nm zless 35.Op Ar flags 36.Op Ar file ... 37.Sh DESCRIPTION 38.Nm 39is a filter that allows the viewing of files compressed with Lempel-Ziv 40encoding. 41Such files generally have a 42.Dq Z 43or 44.Dq gz 45extension (both the 46.Xr compress 1 47and 48.Xr gzip 1 49formats are supported). 50Any 51.Ar flags 52that are specified are passed to the user's preferred 53.Ev PAGER 54(which is 55.Pa /usr/bin/more 56by default). 57.Pp 58.Nm zless 59is equivalent to 60.Nm zmore 61but uses 62.Xr less 1 63as a pager instead of 64.Xr more 1 . 65.Pp 66When multiple files are specified, 67.Nm 68will pause at the end of each file and present the following prompt to the user: 69.Bd -literal -offset indent 70prev_file (END) - Next: next_file 71.Ed 72.Pp 73Where 74.Sy prev_file 75is the file that was just displayed and 76.Sy next_file 77is the next file to be displayed. 78The following keys are recognized at the prompt: 79.Bl -tag -width "e or q" -offset indent 80.It Ic e No or Ic q 81quit 82.Nm . 83.It Ic s 84skip the next file (or exit if the next file is the last). 85.El 86.Pp 87If no files are specified, 88.Nm 89will read from the standard input. 90In this mode 91.Nm 92will assume 93.Xr gzip 1 94style compression since there is no suffix on which to make a decision. 95.Sh ENVIRONMENT 96.Bl -tag -width "PAGER" 97.It Ev PAGER 98Program used to display files. 99If unset, 100.Pa /usr/bin/more 101is used 102.Pq Nm zmore 103or 104.Pa /usr/bin/less 105.Pq Nm zless . 106.El 107.Sh SEE ALSO 108.Xr gzip 1 , 109.Xr less 1 , 110.Xr more 1 111