Add is_palindrome.pl (#730)

* Add is_palindrome.pl

Added Perl-script to find if a string is palindromic or not.

* delete is_palindrome.pl

adding subfolder

* add perl folder, create is_palindrome.pl

Perl-script for checking palindrome

Author: namhsuya

is_palindrome/perl/is_palindrome.pl

@@ -0,0 +1,14 @@
+#!/usr/bin/perl -w
+
+my $str;
+print "Enter a number/string to check if it's palindromic in nature: ";
+chomp ($str = <STDIN>);
+
+my $revStr = reverse $str;
+
+if(uc($revStr) ne uc($str)){
+  print "Not palindromic";
+}
+else{
+  print "Palindromic";
+}