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Diffstat (limited to 'usr.bin/csplit/csplit.1')
| -rw-r--r-- | usr.bin/csplit/csplit.1 | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/usr.bin/csplit/csplit.1 b/usr.bin/csplit/csplit.1 new file mode 100644 index 0000000..93f96a6 --- /dev/null +++ b/usr.bin/csplit/csplit.1 @@ -0,0 +1,163 @@ +.\" $NetBSD: csplit.1,v 1.5 2014/02/04 19:48:48 wiz Exp $ +.\" +.\" Copyright (c) 2002 Tim J. Robbins. +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $FreeBSD: src/usr.bin/csplit/csplit.1,v 1.11 2005/01/25 22:29:51 tjr Exp $ +.\" +.Dd February 4, 2014 +.Dt CSPLIT 1 +.Os +.Sh NAME +.Nm csplit +.Nd split files based on context +.Sh SYNOPSIS +.Nm +.Op Fl ks +.Op Fl f Ar prefix +.Op Fl n Ar number +.Ar file args ... +.Sh DESCRIPTION +The +.Nm +utility splits +.Ar file +into pieces using the patterns +.Ar args . +If +.Ar file +is +a dash +.Pq Sq - , +.Nm +reads from standard input. +.Pp +Files are created with a prefix of +.Dq xx +and two decimal digits. +The size of each file is written to standard output +as it is created. +If an error occurs whilst files are being created, +or a +.Dv HUP , +.Dv INT , +or +.Dv TERM +signal is received, +all files previously written are removed. +.Pp +The options are as follows: +.Bl -tag -offset indent -width 10n +.It Fl f Ar prefix +Create file names beginning with +.Ar prefix , +instead of +.Dq xx . +.It Fl k +Do not remove previously created files if an error occurs or a +.Dv HUP , +.Dv INT , +or +.Dv TERM +signal is received. +.It Fl n Ar number +Create file names beginning with +.Ar number +of decimal digits after the prefix, +instead of 2. +.It Fl s +Do not write the size of each output file to standard output as it is +created. +.El +.Pp +The +.Ar args +operands may be a combination of the following patterns: +.Bl -tag -offset indent -width 10n +.It / Ns Ar regexp Ns / Ns Oo Oo Cm + Ns | Ns Cm - Oc Ns Ar offset Oc +Create a file containing the input from the current line to (but not including) +the next line matching the given basic regular expression. +An optional +.Ar offset +from the line that matched may be specified. +.It % Ns Ar regexp Ns % Ns Oo Oo Cm + Ns | Ns Cm - Oc Ns Ar offset Oc +Same as above but a file is not created for the output. +.It Ar line_no +Create containing the input from the current line to (but not including) +the specified line number. +.It Brq Ar num +Repeat the previous pattern the specified number of times. +If it follows a line number pattern, a new file will be created for each +.Ar line_no +lines, +.Ar num +times. +The first line of the file is line number 1 for historic reasons. +.El +.Pp +After all the patterns have been processed, the remaining input data +(if there is any) will be written to a new file. +.Pp +Requesting to split at a line before the current line number or past the +end of the file will result in an error. +.Sh ENVIRONMENT +The +.Ev LANG , LC_ALL , LC_COLLATE , +and +.Ev LC_CTYPE +environment variables affect the execution of +.Nm +as described in +.Xr environ 7 . +.Sh EXIT STATUS +.Ex -std +.Sh EXAMPLES +Split the +.Xr mdoc 7 +file +.Pa foo.1 +into one file for each section (up to 21 plus one for the rest, if any): +.Pp +.Dl "$ csplit -k foo.1 '%^\e.Sh%' '/^\e.Sh/' '{20}'" +.Pp +Split standard input after the first 99 lines and every 100 lines thereafter: +.Pp +.Dl "$ csplit -k - 100 '{19}'" +.Sh SEE ALSO +.Xr sed 1 , +.Xr split 1 , +.Xr re_format 7 +.Sh STANDARDS +The +.Nm +utility conforms to +.St -p1003.1-2004 . +.Sh HISTORY +A +.Nm +command appeared in PWB UNIX. +.Sh BUGS +Input lines are limited to +.Dv LINE_MAX +(2048) bytes in length. |