1	#!/bin/bash
2
3	### Remove const suffix
4	v=abcd
5	echo ${v%d} ${v%%cd}
6	# stdout: abc ab
7
8	### Remove const prefix
9	v=abcd
10	echo ${v#a} ${v##ab}
11	# stdout: bcd cd
12
13	### Remove const suffix is vectorized on user array
14	a=(1a 2a 3a)
15	argv.py ${a[@]%a}
16	# stdout: ['1', '2', '3']
17	# N-I dash/mksh stdout-json: ""
18
19	### Remove const suffix is vectorized on $@ array
20	set -- 1a 2a 3a
21	argv.py ${@%a}
22	# stdout: ['1', '2', '3']
23	# N-I dash stdout: ['1a', '2a', '3']
24	# N-I mksh stdout-json: ""
25
26	### Remove const suffix from undefined
27	echo ${undef%suffix}
28	# stdout:
29
30	### Remove smallest glob suffix
31	v=aabbccdd
32	echo ${v%c*}
33	# stdout: aabbc
34
35	### Remove longest glob suffix
36	v=aabbccdd
37	echo ${v%%c*}
38	# stdout: aabb
39
40	### Remove smallest glob prefix
41	v=aabbccdd
42	echo ${v#*b}
43	# stdout: bccdd
44
45	### Remove longest glob prefix
46	v=aabbccdd
47	echo ${v##*b}
48	# stdout: ccdd
49