| Denys Vlasenko | f8ddbe1 | 2016-07-25 03:56:00 +0200 | [diff] [blame] | 1 | parameter=abcdef |
| 2 | offset=2 | ||||
| 3 | noffset=-2 | ||||
| 4 | echo "parameter '${parameter}'" | ||||
| 5 | echo "varoffset2 '${parameter:${offset}}'" | ||||
| 6 | echo "varoffset-2 '${parameter:${noffset}}'" | ||||
| 7 | echo "literal '2' '${parameter:2}'" | ||||
| 8 | # This is not inrpreted as ${VAR:POS{:LEN}}, | ||||
| 9 | # but as ${VAR:=WORD} - if VAR is unset or null, substitute WORD | ||||
| 10 | echo "literal '-2' '${parameter:-2}'" | ||||
| 11 | echo "literal ' -2' '${parameter: -2}'" | ||||