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Full Discussion: Cut big text file into 2
Top Forums Shell Programming and Scripting Cut big text file into 2 Post 302321489 by jim mcnamara on Monday 1st of June 2009 10:25:21 AM
Old 06-01-2009
See man csplit - this splits files based on context of data.
 

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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. 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 -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 Read standard input if FILE is -. 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
Report csplit bugs to bug-coreutils@gnu.org GNU coreutils home page: <http://www.gnu.org/software/coreutils/> General help using GNU software: <http://www.gnu.org/gethelp/> Report csplit translation bugs to <http://translationproject.org/team/> COPYRIGHT
Copyright (C) 2011 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
The full documentation for csplit is maintained as a Texinfo manual. If the info and csplit programs are properly installed at your site, the command info coreutils 'csplit invocation' should give you access to the complete manual. GNU coreutils 8.12.197-032bb September 2011 CSPLIT(1)
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