| 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 $empty in |
| 35 | ''|foo) echo match ;; |
| 36 | *) echo no ;; |
| 37 | esac |
| 38 | # stdout: match |
| 39 | |
| 40 | ### Match a literal with a glob character |
| 41 | x='*.py' |
| 42 | case "$x" in |
| 43 | '*.py') echo match ;; |
| 44 | esac |
| 45 | # stdout: match |
| 46 | |
| 47 | ### Match a literal with a glob character with a dynamic pattern |
| 48 | x='b.py' |
| 49 | pat='[ab].py' |
| 50 | case "$x" in |
| 51 | $pat) echo match ;; |
| 52 | esac |
| 53 | # stdout: match |
| 54 | |
| 55 | ### Quoted literal in glob pattern |
| 56 | x='[ab].py' |
| 57 | pat='[ab].py' |
| 58 | case "$x" in |
| 59 | "$pat") echo match ;; |
| 60 | esac |
| 61 | # stdout: match |