programming-examples/Is a key defined in a hash.pl at master - programming-examples - michuIT: Everything is code

You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

9 lines

198 B

Perl

Raw Permalink Blame History

 $hash{fruit} = apple;
 $hash{sandwich} = hamburger;
 $hash{drink} = bubbly;
 if (defined($hash{'vegetable'})) {
     print "Element is defined.";
 } else {
     print "Element is not defined.";
 }