Now I gate canīt call methode can on an undefined value xyz line xyz. Any Idea?
-----Ursprüngliche Nachricht----- Von: Charles K. Clarkson [mailto:[EMAIL PROTECTED] Gesendet: Freitag, 3. September 2004 10:37 An: 'Bastian Angerstein'; 'Mailinglist Perl Beginners' Betreff: RE: canīt call method "xyz" on an undefined value at... Bastian Angerstein <[EMAIL PROTECTED]> wrote: : How can I check if a Method is undefined or not without : getting this error? Assuming you mean the method to an object. Use the UNIVERSAL method 'can'. use CGI; my $q = CGI->new(); print "method 'xyz' invalid for '\$q'\n" unless $q->can( 'xyz' ); print "method 'xyz' valid for '\$q'\n"; __END__ use CGI ('xyz'); my $q = CGI->new(); print "method 'xyz' invalid for '\$q'\n" unless $q->can( 'xyz' ); print "method 'xyz' valid for '\$q'\n"; __END__ HTH, Charles K. Clarkson -- Mobile Homes Specialist 254 968-8328 -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] <http://learn.perl.org/> <http://learn.perl.org/first-response>
