#!c:\perl\bin

$stringlower = "perl ";
$stringupper = "PERL ";

$casestring = uc($stringlower);
print "\n\nUsing uc gives: $casestring \n\n";

$casestring = lc($stringupper);
print "\n\nUsing lc gives: $casestring \n\n";

$casestring = ucfirst($stringlower);
print "\n\nUsing ucfirst gives: $casestring \n\n";

$casestring = lcfirst($stringupper);
print "\n\nUsing lcfirst gives: $casestring \n\n";