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 vectorized const suffix
14	set -- 1a 2a 3a
15	argv.py ${@%a}
16	# stdout: ['1', '2', '3']
17	# N-I dash stdout: ['1a', '2a', '3']
18	# N-I mksh stdout-json: ""
19
20	### Remove const suffix from undefined
21	echo ${undef%suffix}
22	# stdout:
23
24	### Remove smallest glob suffix
25	v=aabbccdd
26	echo ${v%c*}
27	# stdout: aabbc
28
29	### Remove longest glob suffix
30	v=aabbccdd
31	echo ${v%%c*}
32	# stdout: aabb
33
34	### Remove smallest glob prefix
35	v=aabbccdd
36	echo ${v#*b}
37	# stdout: bccdd
38
39	### Remove longest glob prefix
40	v=aabbccdd
41	echo ${v##*b}
42	# stdout: ccdd
43