Server : Apache System : Linux host44.registrar-servers.com 4.18.0-513.18.1.lve.2.el8.x86_64 #1 SMP Sat Mar 30 15:36:11 UTC 2024 x86_64 User : vapecompany ( 2719) PHP Version : 7.4.33 Disable Function : NONE Directory : /lib64/perl5/ |
Upload File : |
package ops; our $VERSION = '1.02'; use Opcode qw(opmask_add opset invert_opset); sub import { shift; # Not that unimport is the preferred form since import's don't # accumulate well owing to the 'only ever add opmask' rule. # E.g., perl -Mops=:set1 -Mops=:setb is unlikely to do as expected. opmask_add(invert_opset opset(@_)) if @_; } sub unimport { shift; opmask_add(opset(@_)) if @_; } 1; __END__ =head1 NAME ops - Perl pragma to restrict unsafe operations when compiling =head1 SYNOPSIS perl -Mops=:default ... # only allow reasonably safe operations perl -M-ops=system ... # disable the 'system' opcode =head1 DESCRIPTION Since the C<ops> pragma currently has an irreversible global effect, it is only of significant practical use with the C<-M> option on the command line. See the L<Opcode> module for information about opcodes, optags, opmasks and important information about safety. =head1 SEE ALSO L<Opcode>, L<Safe>, L<perlrun> =cut