I wonder if it is indeed a subtle error with the input file then - although that would be quite odd as every line in it was printed by Perl in the exact same manner. I've uploaded my failing file here:

https://www.dropbox.com/s/mofwaf7iiuif0ur/Example.txt.zip?dl=0

Let me know if that is not suitable/inaccessible. Should be able to download without logging in.

In reply to Re^4: Error when running on larger files by K_Edw
in thread Error when running on larger files by K_Edw

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