ops(3p) Perl Programmers Reference Guide ops(3p)

ops(3p) Perl Programmers Reference Guide ops(3p) # ops(3p) Perl Programmers Reference Guide ops(3p) NNAAMMEE # ops - Perl pragma to restrict unsafe operations when compiling SSYYNNOOPPSSIISS # perl -Mops=:default ... # only allow reasonably safe operations perl -M-ops=system ... # disable the 'system' opcode DDEESSCCRRIIPPTTIIOONN # Since the "ops" pragma currently has an irreversible global effect, it is only of significant practical use with the "-M" option on the command line. ...