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Top Forums Shell Programming and Scripting Substituting comma "," for dot "." in a specific column when comma"," is a delimiter Post 302651375 by Skrynesaver on Tuesday 5th of June 2012 11:35:39 AM
Old 06-05-2012
Something like the following should do it, but Pravin's solution will run faster and is a clever exploitation of the data format involved.

Code:
#!/usr/bin/perl

use strict;
use warnings;

open (DATA , '<', $ARGV[0]);
while(<DATA>){
  my @record=split(/,/,$_);
  splice(@record,5,2,("$record[5].$record[6]"))if (@record > 9);
  print join',',@record;
}


Last edited by Skrynesaver; 06-05-2012 at 12:46 PM.. Reason: To advise using a previous better solution
 

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shells(4)							   File Formats 							 shells(4)

NAME
shells - shell database SYNOPSIS
/etc/shells DESCRIPTION
The shells file contains a list of the shells on the system. Applications use this file to determine whether a shell is valid. See getuser- shell(3C). For each shell a single line should be present, consisting of the shell's path, relative to root. A hash mark (#) indicates the beginning of a comment; subsequent characters up to the end of the line are not interpreted by the routines which search the file. Blank lines are also ignored. The following default shells are used by utilities: /bin/bash, /bin/csh, /bin/jsh, /bin/ksh, /bin/ksh93, /bin/pfcsh, /bin/pfksh, /bin/pfsh, /bin/sh, /bin/tcsh, /bin/zsh, /sbin/jsh, /sbin/sh, /usr/bin/bash, /usr/bin/csh, /usr/bin/jsh, /usr/bin/ksh, /usr/bin/ksh93, /usr/bin/pfcsh, /usr/bin/pfksh, /usr/bin/pfsh, and /usr/bin/sh, /usr/bin/tcsh, /usr/bin/zsh, and /usr/sfw/bin/zsh. /etc/shells overrides the default list. Invalid shells in /etc/shells could cause unexpected behavior, such as being unable to log in by way of ftp(1). FILES
/etc/shells list of shells on system SEE ALSO
vipw(1B), ftpd(1M), sendmail(1M), getusershell(3C), aliases(4) SunOS 5.11 20 Nov 2007 shells(4)
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