| Chet Ramey | ac50fba | 2014-02-26 09:36:43 -0500 | [diff] [blame] | 1 | # expansions involving patterns |
| 2 | |||||
| 3 | var='[hello' | ||||
| 4 | echo "${var//[/}" | ||||
| 5 | |||||
| 6 | red='\[\e[0;31m\]' | ||||
| 7 | echo "${red//\\[\\e/}" | ||||
| 8 | |||||
| 9 | foo="${red//\\[\\e/}" | ||||
| 10 | |||||
| 11 | # foo == [0;31m\] | ||||
| 12 | echo "${foo//[0;31m\\/}" | ||||
| 13 | |||||
| 14 | echo "${var//[]/}" | ||||
| 15 | echo "${red//[]/}" | ||||
| 16 | |||||
| 17 | v=hello | ||||
| 18 | foo='[:alpha:]' | ||||
| 19 | |||||
| 20 | echo ${v//[[:alpha:]]/} | ||||
| 21 | echo ${v//[[:alpha]]/} | ||||
| 22 | echo ${v//[[:alpha]/} | ||||