ops(3perl) Perl Programmers Reference Guide ops(3perl)
NAME
ops - Perl pragma to restrict unsafe operations when compiling
SYNOPSIS
perl -Mops=:default ... # only allow reasonably safe operations
perl -M-ops=system ... # disable the 'system' opcode
DESCRIPTION
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.
See the Opcode module for information about opcodes, optags, opmasks and
important information about safety.
SEE ALSO
Opcode, Safe, perlrun
perl v5.40.1 2026-08-30 ops(3perl)
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