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Perl - Easy way to check installed modules on Mac and Ubuntu
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  Use perldoc to check the Perl package install path 
$ perldoc -l Time::Local
  Check installed perl modules via terminal

Type below command:

instmodsh

It'll show you the guild as below:

Available commands are:
   l            - List all installed modules
   m <module>   - Select a module
   q            - Quit the program
cmd?

Then type l to list all the installed modules, you can also use command m <module> to select the module and get its information.

After finish, just type q to quit.
  How to check Perl corelist modules. 
$ corelist -v v5.23.1
  How to check the version of a installed module? 
$> perl -MFoo::Bar\ 9999
$> Foo::Bar version 9999 required--this is only version 1.1.



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