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Perl in a Nutshell

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Standard Modules
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8.118 ops

Pragma that disables unsafe opcodes during compilation. Can also be used to specify opcodes to be disabled. Generally used with the -M option on the command line:

perl -Mops=:default ...    # only allow reasonably safe operations
perl -M-ops=system ...     # disable system opcode
See the Opcode module for more information.


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