| 1 | ## oils_failures_allowed: 0
|
| 2 | ## compare_shells: dash bash mksh zsh
|
| 3 |
|
| 4 | #### history builtin usage
|
| 5 | history
|
| 6 | echo status=$?
|
| 7 | history +5 # hm bash considers this valid
|
| 8 | echo status=$?
|
| 9 | history -5 # invalid flag
|
| 10 | echo status=$?
|
| 11 | history f
|
| 12 | echo status=$?
|
| 13 | history too many args
|
| 14 | echo status=$?
|
| 15 | ## status: 0
|
| 16 | ## STDOUT:
|
| 17 | status=0
|
| 18 | status=0
|
| 19 | status=2
|
| 20 | status=2
|
| 21 | status=2
|
| 22 | ## END
|
| 23 | ## OK bash STDOUT:
|
| 24 | status=0
|
| 25 | status=0
|
| 26 | status=2
|
| 27 | status=1
|
| 28 | status=1
|
| 29 | ## END
|
| 30 | ## BUG zsh/mksh STDOUT:
|
| 31 | status=1
|
| 32 | status=1
|
| 33 | status=1
|
| 34 | status=1
|
| 35 | status=1
|
| 36 | ## END
|
| 37 | ## N-I dash STDOUT:
|
| 38 | status=127
|
| 39 | status=127
|
| 40 | status=127
|
| 41 | status=127
|
| 42 | status=127
|
| 43 | ## END
|
| 44 |
|
| 45 |
|
| 46 | #### Print shell strings with weird chars: set and printf %q and ${x@Q}
|
| 47 |
|
| 48 | # bash declare -p will print binary data, which makes this invalid UTF-8!
|
| 49 | foo=$(/bin/echo -e 'a\nb\xffc'\'d)
|
| 50 |
|
| 51 | # let's test the easier \x01, which doesn't give bash problems
|
| 52 | foo=$(/bin/echo -e 'a\nb\x01c'\'d)
|
| 53 |
|
| 54 | # dash:
|
| 55 | # only supports 'set'; prints it on multiple lines with binary data
|
| 56 | # switches to "'" for single quotes, not \'
|
| 57 | # zsh:
|
| 58 | # print binary data all the time, except for printf %q
|
| 59 | # does print $'' strings
|
| 60 | # mksh:
|
| 61 | # prints binary data for @Q
|
| 62 | # prints $'' strings
|
| 63 |
|
| 64 | # All are very inconsistent.
|
| 65 |
|
| 66 | case $SH in dash|mksh|zsh) return ;; esac
|
| 67 |
|
| 68 |
|
| 69 | set | grep -A1 foo
|
| 70 |
|
| 71 | # Will print multi-line and binary data literally!
|
| 72 | #declare -p foo
|
| 73 |
|
| 74 | printf 'pf %q\n' "$foo"
|
| 75 |
|
| 76 | echo '@Q ' ${foo@Q}
|
| 77 |
|
| 78 | ## STDOUT:
|
| 79 | foo=$'a\nb\u0001c\'d'
|
| 80 | pf $'a\nb\u0001c\'d'
|
| 81 | @Q $'a\nb\u0001c\'d'
|
| 82 | ## END
|
| 83 |
|
| 84 | ## OK bash STDOUT:
|
| 85 | foo=$'a\nb\001c\'d'
|
| 86 | pf $'a\nb\001c\'d'
|
| 87 | @Q $'a\nb\001c\'d'
|
| 88 | ## END
|
| 89 |
|
| 90 | ## OK dash/mksh/zsh STDOUT:
|
| 91 | ## END
|
| 92 |
|
| 93 | #### Print shell strings with normal chars: set and printf %q and ${x@Q}
|
| 94 |
|
| 95 | # There are variations on whether quotes are printed
|
| 96 |
|
| 97 | case $SH in dash|zsh) return ;; esac
|
| 98 |
|
| 99 | foo=spam
|
| 100 |
|
| 101 | set | grep -A1 foo
|
| 102 |
|
| 103 | # Will print multi-line and binary data literally!
|
| 104 | typeset -p foo
|
| 105 |
|
| 106 | printf 'pf %q\n' "$foo"
|
| 107 |
|
| 108 | echo '@Q ' ${foo@Q}
|
| 109 |
|
| 110 | ## STDOUT:
|
| 111 | foo=spam
|
| 112 | declare -- foo=spam
|
| 113 | pf spam
|
| 114 | @Q spam
|
| 115 | ## END
|
| 116 |
|
| 117 |
|
| 118 | ## OK bash STDOUT:
|
| 119 | foo=spam
|
| 120 | declare -- foo="spam"
|
| 121 | pf spam
|
| 122 | @Q 'spam'
|
| 123 | ## END
|
| 124 |
|
| 125 | ## OK mksh STDOUT:
|
| 126 | foo=spam
|
| 127 | typeset foo=spam
|
| 128 | pf spam
|
| 129 | @Q spam
|
| 130 | ## END
|
| 131 |
|
| 132 | ## N-I dash/zsh STDOUT:
|
| 133 | ## END
|
| 134 |
|
| 135 |
|
| 136 |
|
| 137 | #### time pipeline
|
| 138 | time echo hi | wc -c
|
| 139 | ## stdout: 3
|
| 140 | ## status: 0
|
| 141 |
|
| 142 | #### shift
|
| 143 | set -- 1 2 3 4
|
| 144 | shift
|
| 145 | echo "$@"
|
| 146 | shift 2
|
| 147 | echo "$@"
|
| 148 | ## stdout-json: "2 3 4\n4\n"
|
| 149 | ## status: 0
|
| 150 |
|
| 151 | #### Shifting too far
|
| 152 | set -- 1
|
| 153 | shift 2
|
| 154 | ## status: 1
|
| 155 | ## OK dash status: 2
|
| 156 |
|
| 157 | #### Invalid shift argument
|
| 158 | shift ZZZ
|
| 159 | ## status: 2
|
| 160 | ## OK bash status: 1
|
| 161 | ## BUG mksh/zsh status: 0
|