1#!/bin/sh23trap 'rm -f $tmp1 f.c f.o' EXIT4trap 'exit $?' HUP INT TERM56tmp1=tmp1.$$78echo dude > f.c910($EXEC scc make -f- <<'EOF'11f.o:12 @echo hello > $@1314all: f.o15EOF16cat f.o) > $tmp1 2>&11718diff $tmp1 - <<EOF19hello20EOF