perl version 5.8.0, I am debugging a script that uses a module, and
that module elicits a warning like "you only used that filehandle once,
you dolt in <filename> line <whatever>" (I paraphrase, since I can't
post from work, and that's where the problem is).

The problem is the filenames is some weird characters, and they change
when some random environment variables that have nothing to do with
perl (I believe) change. Sometimes it "breaks" the terminal, meaning
all the subsequent output to the screen is these weird characters
(reminding me maybe of when you try to view a binary file in a text
editor) and I end up having to close the session and fire up a new
terminal window.

What are those environment variables?  What OS are you working on?


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