Huub <[EMAIL PROTECTED]> asked: > I'm adapting a Perl script using MySQL connectivity, and have > to compare a variable, e.g. $myvar, with the value NULL from > the database. In MySQL, I have to use the query 'where myvar > is null', which works great. > But when I try this in Perl, like 'if ($myvar == null)' or > 'if ($myvar is null)' it ends in error. I read the DBI FAQ on > this, but didn't find an example of IF and NULL. Can somebody > tell me how I can or should do this?
See the DBI manpage, Subsection "Notation and Conventions": "NULL values are represented by undefined values in Perl". You check that by using statements like if( defined( $myvar ) ) HTH, Thomas -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
