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Shell Programming and Scripting
Splitting a delimited text file
Post 302899062 by cjcox on Friday 25th of April 2014 07:20:57 PM
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Could one of you shad some light on this:
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Hello
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hi
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Hi,
I have a requirement that has 50-60 million records that we need to split a delimited string (Delimeter is newline) into rows.
Source Date:
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putrescine
Mrv1583 01041713302D
6 5 0 0 0 0 999 V2000
2.0928 -0.2063 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0
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LEARN ABOUT LINUX
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. 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) 2010 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 8.5 February 2011 CSPLIT(1)