Another Note: I just noticed that the latest example data here end with the following three lines: 

TF      Unknown
TF Name Unknown
Gene    ENSG00000113916

[download]
These look like the start of another record and screw up parsing. Is this the intended and necessary ending of a full set of data records? It's a problem if so. (The absence of an unambiguous multi-line record delimiter is another problem, but can be finessed if necessary.)

Also: Any word yet on the tab-versus-spaces field delimiter question posted above?

In reply to Re^6: First foray into Perl by AnomalousMonk
in thread First foray into Perl by LostWeekender

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