On solaris I have data:
N00412L3.daysold 140 37
N00160L3.daysold 18 38
N00158L3.daysold 11 39
the 14 days old of the tape and I want to sort to find tapes over 90.
I think sort with a -t or a -k may do it. I think this is not written about much on the web :)