Jari Aalto | cce855b | 1998-04-17 19:52:44 +0000 | [diff] [blame] | 1 | # test the expansion of ${array[@]} and ${array[*]}, both quoted and |
| 2 | # unquoted. the expansions should be exactly analogous to the |
| 3 | # expansions of $@ and $* quoted and unquoted |
| 4 | A=(a b) |
| 5 | |
| 6 | recho "${A[*]}" |
| 7 | |
| 8 | # If IFS is null, the parameters are joined without separators |
| 9 | IFS='' |
| 10 | recho "${A[*]}" |
| 11 | |
| 12 | # If IFS is unset, the parameters are separated by spaces |
| 13 | unset IFS |
| 14 | recho "${A[*]}" |
| 15 | |
| 16 | recho "${A[@]}" |
| 17 | recho ${A[@]} |
| 18 | |
| 19 | IFS='/' |
| 20 | A=(bob 'tom dick harry' joe) |
| 21 | set ${A[*]} |
| 22 | recho $# |
| 23 | recho $1 |
| 24 | recho $2 |
| 25 | recho $3 |
| 26 | |
| 27 | A=(bob 'tom dick harry' joe) |
| 28 | set ${A[*]} |
| 29 | recho $# |
| 30 | recho $1 |
| 31 | recho $2 |
| 32 | recho $3 |
| 33 | |
| 34 | A=(bob 'tom dick harry' joe) |
| 35 | set ${A[@]} |
| 36 | recho $# |
| 37 | recho $1 |
| 38 | recho $2 |
| 39 | recho $3 |
| 40 | |
| 41 | A=(bob 'tom dick harry' joe) |
| 42 | set ${A[@]} |
| 43 | recho $# |
| 44 | recho $1 |
| 45 | recho $2 |
| 46 | recho $3 |
| 47 | |
| 48 | # according to POSIX.2, unquoted $* should expand to multiple words if |
| 49 | # $IFS is null, just like unquoted $@ |
| 50 | IFS='' |
| 51 | A=(bob 'tom dick harry' joe) |
| 52 | set "${A[*]}" |
| 53 | recho $# |
| 54 | recho $1 |
| 55 | recho $2 |
| 56 | recho $3 |
| 57 | |
| 58 | A=(bob 'tom dick harry' joe) |
| 59 | set ${A[*]} |
| 60 | recho $# |
| 61 | recho $1 |
| 62 | recho $2 |
| 63 | recho $3 |
| 64 | |
| 65 | A=(bob 'tom dick harry' joe) |
| 66 | set ${A[@]} |
| 67 | recho $# |
| 68 | recho $1 |
| 69 | recho $2 |
| 70 | recho $3 |
| 71 | |
| 72 | # if IFS is unset, the individual positional parameters are split on |
| 73 | # " \t\n" if $* or $@ are unquoted |
| 74 | unset IFS |
| 75 | A=(bob 'tom dick harry' joe) |
| 76 | set ${A[*]} |
| 77 | recho $# |
| 78 | recho $1 |
| 79 | recho $2 |
| 80 | recho $3 |
| 81 | |
| 82 | A=(bob 'tom dick harry' joe) |
| 83 | set ${A[@]} |
| 84 | recho $# |
| 85 | recho $1 |
| 86 | recho $2 |
| 87 | recho $3 |
| 88 | |
| 89 | # but not for "$@" or "$*" |
| 90 | A=(bob 'tom dick harry' joe) |
| 91 | set "${A[*]}" |
| 92 | recho $# |
| 93 | recho $1 |
| 94 | recho $2 |
| 95 | recho $3 |
| 96 | |
| 97 | A=(bob 'tom dick harry' joe) |
| 98 | set "${A[@]}" |
| 99 | recho $# |
| 100 | recho $1 |
| 101 | recho $2 |
| 102 | recho $3 |
| 103 | |
| 104 | # these should both expand the value of A to multiple words |
| 105 | A=(a b c d e) |
| 106 | IFS="" |
| 107 | recho ${A[@]} |
| 108 | recho "${A[@]}" |
| 109 | |
| 110 | # this example is straight from the POSIX.2 rationale and adapted to arrays |
| 111 | A=(foo bar bam) |
| 112 | |
| 113 | recho "${A[@]}" |
| 114 | recho "${A[*]}" |
| 115 | |
| 116 | unset IFS |
| 117 | |
| 118 | recho "${A[@]}" |
| 119 | recho ${A[@]} |
| 120 | recho "${A[*]}" |