one-true-awk/testdir/p.50

*23f24377SWarner LoshBEGIN	{ FS = "\t" }
*23f24377SWarner Losh	{ pop[$4 ":" $1] += $3 }
*23f24377SWarner LoshEND	{ for (cc in pop)
*23f24377SWarner Losh		print cc ":" pop[cc] | "sort -t: -k 1,1 -k 3nr" }