| 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 | # status: 0 |
| 18 | # N-I dash/mksh stdout-json: "" |
| 19 | # N-I dash status: 2 |
| 20 | # N-I mksh status: 1 |
| 21 | |
| 22 | ### Remove const suffix is vectorized on $@ array |
| 23 | set -- 1a 2a 3a |
| 24 | argv.py ${@%a} |
| 25 | # stdout: ['1', '2', '3'] |
| 26 | # status: 0 |
| 27 | # N-I dash stdout: ['1a', '2a', '3'] |
| 28 | # N-I dash status: 0 |
| 29 | # N-I mksh stdout-json: "" |
| 30 | # N-I mksh status: 1 |
| 31 | |
| 32 | ### Remove const suffix from undefined |
| 33 | echo ${undef%suffix} |
| 34 | # stdout: |
| 35 | |
| 36 | ### Remove smallest glob suffix |
| 37 | v=aabbccdd |
| 38 | echo ${v%c*} |
| 39 | # stdout: aabbc |
| 40 | |
| 41 | ### Remove longest glob suffix |
| 42 | v=aabbccdd |
| 43 | echo ${v%%c*} |
| 44 | # stdout: aabb |
| 45 | |
| 46 | ### Remove smallest glob prefix |
| 47 | v=aabbccdd |
| 48 | echo ${v#*b} |
| 49 | # stdout: bccdd |
| 50 | |
| 51 | ### Remove longest glob prefix |
| 52 | v=aabbccdd |
| 53 | echo ${v##*b} |
| 54 | # stdout: ccdd |
| 55 |