Your code.. 
@ARGV = <$responseDir/*>;
   while (<>)
    {
         $newFile = $ARGV, last if /^"$commonField"$/;
    }

[download]

Is going through each file in $responseDir opening it and reading each line. when you get a line which matches common field you will edit that file then go on to the next element of @arrFileList. Perhaps you wanted something more like

# replace from @ARGV = <$responseDir/*>;

foreach $file (<$responseDir/*>) {
    open FH, "$responseDir/$file" or die "$!\n";
     my ($edit, @temp);
    while (<FH>) {
        push @temp, $_;
        $edit++ if /^"$commonField"$/;
    }
    close FH;
    next unless $edit;
    open NEW, ">$responseDone/$file" or die "$!\n";
    foreach (@temp) {
        s/$replaceField/$origField/g;
        print NEW;
    }
    close NEW;
    print "Done s/$replaceField/$origField/g $file\n";
    unlink "$responseDir/$file";
    print "removed original\n";
    system ("mv $sourceDir/$arrFileList $processed");
    print "moved $sourceDir/$arrFileList to $processed\n";
}

[download]

Cheers,
R.

In reply to Re: Help on foreach loop by Random_Walk
in thread Help on foreach loop by Anonymous Monk

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