shithub: kwa

ref: 96c2be96e4beaac08d89af4dea8069d9ca1c4b09
dir: /test/t.nameval/

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	{ if (amount[$2] == "")
		name[++n] = $2
	  amount[$2] += $1
	}
END	{ for (i = 1; i <= n; i++)
		print name[i], amount[name[i]]
	}