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Top Forums Shell Programming and Scripting Add a space between certain characters Using Perl Scripting Post 302634939 by smarty86 on Friday 4th of May 2012 12:22:25 PM
Old 05-04-2012
Thanks Kamaraj.. working fine Smilie

---------- Post updated 05-04-12 at 07:39 AM ---------- Previous update was 05-03-12 at 11:33 PM ----------

Quote:
Originally Posted by itkamaraj
Code:
 
$ perl a.pl 
A,B,C, D,E,F, G,H
 
$ cat a.pl
#!/bin/perl -w
$var="A,B,C,D,E,F,G,H";
@splitArray=split(/,/,$var);
for($i=0;$i<=scalar(@splitArray);$i=$i+3)
{
        if ($i==0) {next;}
        $splitArray[$i]=" " . $splitArray[$i];
}
print join (",",@splitArray);

Hi I have a small problem here...

the above code is working fine if the no of aplhabets in input variable is not multiple of 3... if it is mutliple of three then it places a comma at the end like this

Code:
case 1:

input : $var="A,B,C"   //Only 3 alphabets

output: A,B,C,  // comma not reqd at the end

expected : A,B,C

case2:

input : $var="A,B,C,D,E,F"  // 6 alphabets

output: A,B,C, D,E,F,  // comma not reqd at the end

expected : A,B,C, D,E,F  // a white space after 3 alphabets

case 3: 

input : $var="A,B,C,D,E,F,G,H" // not a multiple of 3

output: A,B,C, D,E,F, G,H  // coming as expected

expected : same as output

pls help me to remove the comma coming at the end

---------- Post updated at 08:22 AM ---------- Previous update was at 07:39 AM ----------

can somebody pls help me
 

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SPLIT(1)							   User Commands							  SPLIT(1)

NAME
split - split a file into pieces SYNOPSIS
split [OPTION]... [INPUT [PREFIX]] DESCRIPTION
Output fixed-size pieces of INPUT to PREFIXaa, PREFIXab, ...; default size is 1000 lines, and default PREFIX is `x'. With no INPUT, or when INPUT is -, read standard input. Mandatory arguments to long options are mandatory for short options too. -a, --suffix-length=N use suffixes of length N (default 2) -b, --bytes=SIZE put SIZE bytes per output file -C, --line-bytes=SIZE put at most SIZE bytes of lines per output file -d, --numeric-suffixes use numeric suffixes instead of alphabetic -l, --lines=NUMBER put NUMBER lines per output file --verbose print a diagnostic just before each output file is opened --help display this help and exit --version output version information and exit SIZE may be (or may be an integer optionally followed by) one of following: KB 1000, K 1024, MB 1000*1000, M 1024*1024, and so on for G, T, P, E, Z, Y. AUTHOR
Written by Torbjorn Granlund and Richard M. Stallman. REPORTING BUGS
Report split 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 split 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 split is maintained as a Texinfo manual. If the info and split programs are properly installed at your site, the command info coreutils 'split invocation' should give you access to the complete manual. GNU coreutils 8.5 February 2011 SPLIT(1)
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