As id:Fletch says, using comma to provide a list to print elegantly solves the problem.

To make it clearer that it is purely a precedence issue though, you can fix your existing statement by making precedence explicit with brackets:

print "number of files: " . ($size-2) . "\n";

In reply to Re: why scalar(@array) is not numeric? by aufflick
in thread why scalar(@array) is not numeric? by theiss

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