Don't use Perl if your mem is that restricted. Use C or ASM. Or, talk to your sysadmin to get the appropriate modules installed. Some jobs just can't be done, given enough restrictions.

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We are the carpenters and bricklayers of the Information Age.

Don't go borrowing trouble. For programmers, this means Worry only about what you need to implement.

Please remember that I'm crufty and crochety. All opinions are purely mine and all code is untested, unless otherwise specified.