To test if your system already has perl installed
$ which perl /usr/bin/perl
To chcek which version of perl is installed
$ perl -v
This is perl 5, version 12, subversion 3 (v5.12.3) built for darwin-thread-multi-2level .....
How do I type a copyright symbol on a Mac? To type the copyright symbol simply hold down the option key and press the 'g' key.
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