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109 lines
2.6 KiB
Groff
109 lines
2.6 KiB
Groff
.\" $NetBSD: zmore.1,v 1.4 2013/11/12 21:58:37 pettai Exp $
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.\" $OpenBSD: zmore.1,v 1.10 2009/08/16 09:41:08 sobrado Exp $
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.\"
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.\" Copyright (c) 2003 Todd C. Miller <Todd.Miller@courtesan.com>
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.\"
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.\" Permission to use, copy, modify, and distribute this software for any
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.\" purpose with or without fee is hereby granted, provided that the above
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.\" copyright notice and this permission notice appear in all copies.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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.\"
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.\" Sponsored in part by the Defense Advanced Research Projects
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.\" Agency (DARPA) and Air Force Research Laboratory, Air Force
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.\" Materiel Command, USAF, under agreement number F39502-99-1-0512.
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.Dd October 22, 2014
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.Dt ZMORE 1
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.Os
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.Sh NAME
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.Nm zmore ,
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.Nm zless
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.Nd view compressed files
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.Sh SYNOPSIS
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.Nm zmore
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.Op Ar flags
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.Op Ar
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.Nm zless
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.Op Ar flags
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.Op Ar
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.Sh DESCRIPTION
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.Nm
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is a filter that allows the viewing of files compressed with Lempel-Ziv
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encoding.
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Such files generally have a
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.Dq Z
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or
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.Dq gz
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extension (both the
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.Xr compress 1
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and
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.Xr gzip 1
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formats are supported).
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Any
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.Ar flags
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that are specified are passed to the user's preferred
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.Ev PAGER
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(which is
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.Pa /usr/bin/more
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by default).
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.Pp
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.Nm zless
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is equivalent to
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.Nm zmore
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but uses
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.Xr less 1
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as a pager instead of
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.Xr more 1 .
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.Pp
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When multiple files are specified,
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.Nm
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will pause at the end of each file and present the following prompt to the user:
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.Bd -literal -offset indent
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prev_file (END) - Next: next_file
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.Ed
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.Pp
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Where
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.Sy prev_file
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is the file that was just displayed and
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.Sy next_file
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is the next file to be displayed.
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The following keys are recognized at the prompt:
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.Bl -tag -width "e or q" -offset indent
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.It Ic e No or Ic q
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quit
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.Nm zmore .
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.It Ic s
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skip the next file (or exit if the next file is the last).
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.El
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.Pp
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If no files are specified,
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.Nm
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will read from the standard input.
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In this mode
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.Nm
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will assume
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.Xr gzip 1
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style compression since there is no suffix on which to make a decision.
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.Sh ENVIRONMENT
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.Bl -tag -width "PAGER"
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.It Ev PAGER
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Program used to display files.
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If unset,
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.Pa /usr/bin/more
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is used
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.Pq Nm zmore
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or
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.Pa /usr/bin/less
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.Pq Nm zless .
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.El
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.Sh SEE ALSO
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.Xr compress 1 ,
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.Xr less 1 ,
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.Xr more 1
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