opendarwin man page for csplit

CSPLIT(1)                                                          User Commands                                                         CSPLIT(1)

NAME
       csplit - split a file into sections determined by context lines

SYNOPSIS
       csplit [OPTION]... FILE PATTERN...

DESCRIPTION
       Output pieces of FILE separated by PATTERN(s) to files 'xx00', 'xx01', ..., and output byte counts of each piece to standard output.

       Read standard input if FILE is -

       Mandatory arguments to long options are mandatory for short options too.

       -b, --suffix-format=FORMAT
              use sprintf FORMAT instead of %02d

       -f, --prefix=PREFIX
              use PREFIX instead of 'xx'

       -k, --keep-files
              do not remove output files on errors

       --suppress-matched
              suppress the lines matching PATTERN

       -n, --digits=DIGITS
              use specified number of digits instead of 2

       -s, --quiet, --silent
              do not print counts of output file sizes

       -z, --elide-empty-files
              remove empty output files

       --help display this help and exit

       --version
              output version information and exit

   Each PATTERN may be:
       INTEGER
              copy up to but not including specified line number

       /REGEXP/[OFFSET]
              copy up to but not including a matching line

       %REGEXP%[OFFSET]
              skip to, but not including a matching line

       {INTEGER}
              repeat the previous pattern specified number of times

       {*}    repeat the previous pattern as many times as possible

       A line OFFSET is a required '+' or '-' followed by a positive integer.

AUTHOR
       Written by Stuart Kemp and David MacKenzie.

REPORTING BUGS
       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report csplit translation bugs to <http://translationproject.org/team/>

COPYRIGHT
       Copyright (C) 2017 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       Full documentation at: <http://www.gnu.org/software/coreutils/csplit>
       or available locally via: info '(coreutils) csplit invocation'

GNU coreutils 8.28                                                 January 2018                                                          CSPLIT(1)