echo 1=$1
{ echo 2=$2; }
{ echo 3=$3; } &
-usleep 100000
+# cant use usleep as it isnt standard in $PATH --
+# we fail when testing busybox compiled solely as "hush"
+wait
( echo 4=$4 )
( echo 5=$5 ) &
-usleep 100000
+wait
true | echo 6=$6 | cat
true | { echo 7=$7; } | cat