#!/usr/bin/perl

# Demonstrate different loops for use with string substitutions

use strict;
use warnings;
# use diagnostics;

my $RevStr = "\tabc\tkis17.1.33en_12345.exe<h href";
my $NewRev;
print "Original \$RevStr = <$RevStr>\n";

$NewRev = $RevStr;
s/.*kis17/17/, s/.exe//, s/en_/./, s/\<h.*// for $NewRev;
print "for at the end:   \$NewRev = <$NewRev>\n";

$NewRev = $RevStr;
$NewRev = $RevStr =~ s/.*kis17/17/r =~ s/.exe.*//r =~ s/en_/./r; 
print "run on line:      \$NewRev = <$NewRev>\n"; #modified

$NewRev = $RevStr;
for ($NewRev) {s/.*kis17/17/; s/.exe.*//; s/en_/./; s/\<h.*//; }
print "for at the start: \$NewRev = <$NewRev>\n";

$NewRev = $RevStr;
for ($NewRev)  #white spaces consumes no Mips! why so compact?
{
   s/.*kis17/17/;   #all 3 statements modify $NewRev
   s/.exe.*//; 
   s/en_/./; 
}
print "for at the start: \$NewRev = <$NewRev>\n\n";

__END__