ref: 8e3c92b4eae6ff958d8af946caf6fb7d7f3bfbf7 dir: /test/t.pp2/
/bwk/,/scj/ { print "1: ", $0 } /bwk/, /bsb/ { print "2: ", $0 } /mel/, /doug/ { print "3: ", $0 }