When you do the following... 

undef $/;

$a = <E>;

[download]
...you are reading the entire file into memory.

Try to break the task into smaller pieces. Without knowing what auburn_courses.txt or auburn_courses2.txt contain it's going to be tricky to give specific advice.

-- vek --

In reply to Re: Running out of memory... by vek
in thread Running out of memory... by knewter

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