| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Test the case statement |
| 4 | |
| 5 | ### Case statement |
| 6 | case a in |
| 7 | a) echo A ;; |
| 8 | *) echo star ;; |
| 9 | esac |
| 10 | # stdout: A |
| 11 | |
| 12 | ### Case statement with ;;& |
| 13 | # ;;& keeps testing conditions |
| 14 | # NOTE: ;& and ;;& are bash 4 only, no on Mac |
| 15 | case a in |
| 16 | a) echo A ;;& |
| 17 | *) echo star ;;& |
| 18 | *) echo star2 ;; |
| 19 | esac |
| 20 | # stdout-json: "A\nstar\nstar2\n" |
| 21 | # N-I dash stdout-json: "" |
| 22 | |
| 23 | ### Case statement with ;& |
| 24 | # ;& ignores the next condition. Why would that be useful? |
| 25 | case a in |
| 26 | a) echo A ;& |
| 27 | XX) echo two ;& |
| 28 | YY) echo three ;; |
| 29 | esac |
| 30 | # stdout-json: "A\ntwo\nthree\n" |
| 31 | # N-I dash stdout-json: "" |
| 32 | |
| 33 | ### Case with empty condition |
| 34 | case $empty in |
| 35 | ''|foo) echo match ;; |
| 36 | *) echo no ;; |
| 37 | esac |
| 38 | # stdout: match |