1
2	#### echo keyword
3	echo done
4	## stdout: done
5
6	#### if/else
7	if false; then
8	echo THEN
9	else
10	echo ELSE
11	fi
12	## stdout: ELSE
13
14	#### Turn an array into an integer.
15	a=(1 2 3)
16	(( a = 42 ))
17	echo $a
18	## stdout: 42
19	## N-I dash/ash stdout-json: ""
20	## N-I dash/ash status: 2
21