in reply to
Searching for information about Granular Computing with Perl
1. Googling for 'granular computing Perl' didn't turn up anything obviously pertinent, so I guess you're as welcome as anyone to introduce granular computing to the Perl community (or at least to the monastery).
2. The posting on your scratchpad would be a bit more useful if, instead of expecting to get the data via a handle to a file, you were to supply us with a dozen or so lines of sample data under a __DATA__ tag at the end of the script.