http://www.perlmonks.org?node_id=653917


in reply to Re: Simple iteration problem
in thread Simple iteration problem

Actually, @tab inside a string interpolates to the contents of the array, separated by $" (a single space by default). For instance, 
my @tab = (3,7);
print "@tab\n";

[download]
will print "3 7". Try it yourself.

In Section Seekers of Perl Wisdom