Perl Script to swaps letters’ case in a sentence.

Input Sample:

Ishaan is THE BEst

Output Sample:

iSHAAN IS the beST

Script:

open(INFILE, "$ARGV[0]") or die("Cannot open file $_[0] for reading: $!");

	while(my $line = <INFILE>) {
	chomp($line);
	my @argument = split(/ /,$line);
	foreach(@argument){
		my @word = split(//,$_);
		foreach(@word){

			if($_ eq uc($_)){

				print lc($_);
			}else{
				print uc($_);
			}
		}
		print " ";

	}
	print "\n";

	}
	close(INFILE);
Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s