# Pipes.
rm -f t-select-in.tmp
-{ sleep 1; echo abc; } | ./test-select-fd${EXEEXT} r 0 t-select-in.tmp
+{ sleep 1; echo abc; } | \
+ { ./test-select-fd${EXEEXT} r 0 t-select-in.tmp; cat > /dev/null; }
test `cat t-select-in.tmp` = "0" || exit 1
rm -f t-select-in.tmp