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How can I print out the version of perl being run, from the perl script itself?

Use the predefined Perl variable $] or the more current $^V within a perl script:

print "Perl version: $]

Example output:

Perl version: 5.018002

(Perl 5.18.2)

For more special variables, please see perlvar or http://www.kichwa.com/quik_ref/spec_variables.html.

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