=over =item ${^TAINT} X<${^TAINT}> Reflects if taint mode is on or off. 1 for on (the program was run with B<-T>), 0 for off, -1 when only taint warnings are enabled (i.e. with B<-t> or B<-TU>). This variable is read-only. This variable was added in Perl v5.8.0. =back