I ran it a few times it looks like s/\.\/// is your problem.

What is happening is that your files in @allfiles looks something like this.
../alya/problem1
../yltra/result
the s/\.\/// removes the second dot and the / so your array looks like this.
.alya/problem1
.yltra/result
So try removing s/\.\///;

In reply to Re: Array error! by Pug
in thread Array error! by phathead22

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