Check whether a Perl module is installed
August 16th, 2005
To check whether a Perl module is installed, use the command:
perl -M<module>
For example:
perl -MCGI
or:
perl -M<module>::<module>::<module>
For example:
perl -MIO::Socket::UNIX
If perl returns a scree of stuff beginning "Can't locate...", then the module isn't installed.
If all you get is a new line, the module is installed - in which case press Ctrl+D to get back to the command prompt.
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