You can only override some builtins, and those you can override must be overridden by importing the replacement functions from another module.

The former: Yes.

The latter: Um, no. Or at least, not quite: 

~$ perl -le 'BEGIN { *CORE::GLOBAL::unlink = sub(@) { print "@_" } } u
+nlink "aaa".."aad"'
aaa aab aac aad

[download]

print "Just another Perl ${\(trickster and hacker)},"
The Sidhekin proves Sidhe did it!

In reply to Re^2: Unit testing built-in functions by Sidhekin
in thread Unit testing built-in functions by aijin

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