in reply to Nothing is being written into my opt-in.txt file
Your code doesn't compile:
$ perl -cw /tmp/nuts2.pl Bareword "n" not allowed while "strict subs" in use at /tmp/nuts2.pl l +ine 9. /tmp/nuts2.pl had compilation errors.
Haven't we been through this before? Why did you not try to compile the script yourself? Why did you not try looking in the error log?
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