#!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";