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fbbd9655e5
Renumber cluase 4 to 3, per what everybody else did when BSD granted them permission to remove clause 3. My insistance on keeping the same numbering for legal reasons is too pedantic, so give up on that point. Submitted by: Jan Schaumann <jschauma@stevens.edu> Pull Request: https://github.com/freebsd/freebsd/pull/96
182 lines
4.4 KiB
Groff
182 lines
4.4 KiB
Groff
.\" Copyright (c) 1990, 1991, 1993, 1994
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)split.1 8.3 (Berkeley) 4/16/94
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.\" $FreeBSD$
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.\"
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.Dd May 9, 2013
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.Dt SPLIT 1
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.Os
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.Sh NAME
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.Nm split
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.Nd split a file into pieces
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.Sh SYNOPSIS
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.Nm
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.Fl d
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.Op Fl l Ar line_count
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.Op Fl a Ar suffix_length
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.Op Ar file Op Ar prefix
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.Nm
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.Fl d
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.Fl b Ar byte_count Ns
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.Oo
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.Sm off
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.Cm K | k | M | m | G | g
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.Sm on
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.Oc
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.Op Fl a Ar suffix_length
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.Op Ar file Op Ar prefix
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.Nm
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.Fl d
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.Fl n Ar chunk_count
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.Op Fl a Ar suffix_length
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.Op Ar file Op Ar prefix
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.Nm
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.Fl d
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.Fl p Ar pattern
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.Op Fl a Ar suffix_length
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.Op Ar file Op Ar prefix
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.Sh DESCRIPTION
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The
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.Nm
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utility reads the given
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.Ar file
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and breaks it up into files of 1000 lines each
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(if no options are specified), leaving the
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.Ar file
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unchanged.
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If
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.Ar file
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is a single dash
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.Pq Sq Fl
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or absent,
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.Nm
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reads from the standard input.
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.Pp
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The options are as follows:
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.Bl -tag -width indent
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.It Fl a Ar suffix_length
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Use
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.Ar suffix_length
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letters to form the suffix of the file name.
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.It Fl b Ar byte_count Ns Oo
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.Sm off
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.Cm K | k | M | m | G | g
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.Sm on
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.Oc
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Create split files
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.Ar byte_count
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bytes in length.
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If
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.Cm k
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or
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.Cm K
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is appended to the number, the file is split into
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.Ar byte_count
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kilobyte pieces.
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If
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.Cm m
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or
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.Cm M
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is appended to the number, the file is split into
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.Ar byte_count
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megabyte pieces.
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If
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.Cm g
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or
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.Cm G
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is appended to the number, the file is split into
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.Ar byte_count
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gigabyte pieces.
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.It Fl d
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Use a numeric suffix instead of a alphabetic suffix.
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.It Fl l Ar line_count
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Create split files
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.Ar line_count
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lines in length.
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.It Fl n Ar chunk_count
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Split file into
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.Ar chunk_count
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smaller files.
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.It Fl p Ar pattern
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The file is split whenever an input line matches
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.Ar pattern ,
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which is interpreted as an extended regular expression.
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The matching line will be the first line of the next output file.
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This option is incompatible with the
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.Fl b
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and
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.Fl l
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options.
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.El
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.Pp
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If additional arguments are specified, the first is used as the name
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of the input file which is to be split.
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If a second additional argument is specified, it is used as a prefix
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for the names of the files into which the file is split.
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In this case, each file into which the file is split is named by the
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prefix followed by a lexically ordered suffix using
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.Ar suffix_length
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characters in the range
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.Dq Li a Ns - Ns Li z .
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If
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.Fl a
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is not specified, two letters are used as the suffix.
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.Pp
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If the
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.Ar prefix
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argument is not specified, the file is split into lexically ordered
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files named with the prefix
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.Dq Li x
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and with suffixes as above.
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.Sh ENVIRONMENT
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The
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.Ev LANG , LC_ALL , LC_CTYPE
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and
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.Ev LC_COLLATE
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environment variables affect the execution of
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.Nm
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as described in
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.Xr environ 7 .
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.Sh EXIT STATUS
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.Ex -std
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.Sh SEE ALSO
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.Xr csplit 1 ,
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.Xr re_format 7
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.Sh STANDARDS
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The
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.Nm
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utility conforms to
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.St -p1003.1-2001 .
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.Sh HISTORY
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A
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.Nm
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command appeared in
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.At v3 .
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.Sh BUGS
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The maximum line length for matching patterns is 65536.
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