warn "Legacy library @{[(caller(0))[6]]} will be removed from the Perl core distribution in the next major release. Please install it from the CPAN distribution Perl4::CoreLibs. It is being used at @{[(caller)[1]]}, line @{[(caller)[2]]}.\n"; # This legacy library is deprecated and will be removed in a future # release of perl. # This subroutine returns true if its argument is tainted, false otherwise. # sub tainted { local($@); eval { kill 0 * $_[0] }; $@ =~ /^Insecure/; } 1;