Thanks very much everyone! I have gotten the code to work! I went with the following coding: 
my @lines = grep /$prop/, <FILE>;

[download]
This seems to give the result I was looking for, though it's not exactly identical to any of the great solutions you all gave. Anyway thanks for curing my ignorance of grep - at least partially :)

In reply to Re^2: storing grep output to variable by Anonymous Monk
in thread storing grep output to variable by Anonymous Monk

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