%PERL{"perl expression"}%

• Expands to the result of the perl expression, evaluated in a Safe container.

• Expands to the result of the perl program contained between %CODE{}% and %ENDCODE% in the named topic.
• You can only use a subset of perl, as defined in the Foswiki configuration.

Examples

• %PERL{"'A String'"}% expands to A String
• %PERL{"101 - 59"}% expands to 42
• %PERL{topic="System.VarPERL"}% expands to 100

%CODE{"perl"}%
my $x = 99;
$x = $x + 1;
return $x;
%ENDCODE%