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Full Discussion: Csplit command problem in Linux
Operating Systems Linux Red Hat Csplit command problem in Linux Post 302947898 by Sanjay_13 on Tuesday 23rd of June 2015 04:18:49 PM
Old 06-23-2015
Csplit command problem in Linux
Hi All,

I have recently join the forum and this is my first post....hoping to get a suggestion to a problem that I am facing.

I have a script that works well on ksh unix on AIX server. The below mentioned code checks number of records in an input file starting with 99 and splits it accordingly and creates new files. i.e. if there are two records starting with 99 then two new files are created.

Format of data in the input file:
10ABC 20150624
99ABC 20150624
10DEF 20150624
99DEF 20150624

Code:
SPLTNME=${FILENAME}_${$}
#--getting no. of footer records in the file
NUM=`grep "^99" ${FILENAME} | wc -l`
REPEAT=`expr $NUM - 2`
csplit -n4 -s -k -f ${SPLTNME} ${FILENAME} /^99/1 {$REPEAT} > /dev/null 2>&1

In case if there is a single 99 record in the input file, the value of REPEAT is set to -1. In AIX the code works and it looks like

Code:
csplit -n4 -s -k -f ${SPLTNME} ${FILENAME} /^99/1 {-1} > /dev/null 2>&1

Now, I am trying to run the same script in Linux, but the above "csplit" code is not working.

The "-1" value of repeat is not recognised in linux. I guess it only recognises postive integers where pattern repeatation is mentioned.

To fix this, I tried hardcoding positive value like 1...it worked but created two files instead and out of the two, one is 0 byte file. It seems that the above csplit code line needs modification in order to run it in Linux.

Could you please suggest any alternative to make this part of the code work in linux.

Details of Linux version is: Red Hat Linux release 6.6 (Santiago)
shell: ksh

Thanks,
Sanjay
Last edited by vbe; 06-23-2015 at 06:32 PM..
 

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LEARN ABOUT REDHAT

csplit

CSPLIT(1)								FSF								 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 `xx01', `xx02', ..., 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 %d

       -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 bugs to <bug-coreutils@gnu.org>.

COPYRIGHT

       Copyright (C) 2002 Free Software Foundation, Inc.
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

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 csplit

       should give you access to the complete manual.

csplit (coreutils) 4.5.3					   February 2003							 CSPLIT(1)
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