perl

triangular dim DRY plus simplify #3389

Job	Run time
notify	29s
ci-ubuntu-containers (centos:centos7)	4m 50s
ci (ubuntu-latest, 5.10)	2m 28s
cygwin	0s
ci (5.30, ubuntu-latest, true, true)	4m 7s
ci (5.30, ubuntu-latest, true)	3m 31s
ci (5.30, ubuntu-latest, 1)	3m 5s
ci (5.30, ubuntu-latest, true)	3m 35s
ci (5.30, ubuntu-latest, true)	3m 19s
ci (5.30, ubuntu-latest, true)	3m 28s
ci (5.26, windows-latest)	6m 0s
ci (5.30, macos-latest)	9m 50s
build-status	19s
	45m 1s

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