@fpmurphy: I don't think it's growing, it's just looping over the fourth field. As far as I can tell, the root cause would seem to be that the shell's arrays are not scaling nicely.
Most of what you're doing can be accomplished in awk directly just as well. typeset -Z4 appears to be a kshism to pad a number with leading zeros to the specified width, correct?
I don't know if this captures all the nuances of your script, but perhaps it can be refined to do what you need.
Last edited by era; 06-11-2008 at 07:41 AM..
Reason: Use int() to truncate division
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