| 1 | ## oils_failures_allowed: 2
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| 2 | ## compare_shells: bash mksh zsh ash
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| 3 |
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| 4 | #### read line from here doc
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| 5 |
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| 6 | # NOTE: there are TABS below
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| 7 | read x <<EOF
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| 8 | A B C D E
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| 9 | FG
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| 10 | EOF
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| 11 | echo "[$x]"
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| 12 | ## stdout: [A B C D E]
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| 13 | ## status: 0
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| 14 |
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| 15 | #### read from empty file
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| 16 | echo -n '' > $TMP/empty.txt
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| 17 | read x < $TMP/empty.txt
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| 18 | argv.py "status=$?" "$x"
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| 19 |
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| 20 | # No variable name, behaves the same
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| 21 | read < $TMP/empty.txt
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| 22 | argv.py "status=$?" "$REPLY"
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| 23 |
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| 24 | ## STDOUT:
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| 25 | ['status=1', '']
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| 26 | ['status=1', '']
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| 27 | ## END
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| 28 | ## OK dash STDOUT:
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| 29 | ['status=1', '']
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| 30 | ['status=2', '']
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| 31 | ## END
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| 32 | ## status: 0
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| 33 |
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| 34 | #### read /dev/null
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| 35 | read -n 1 </dev/null
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| 36 | echo $?
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| 37 | ## STDOUT:
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| 38 | 1
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| 39 | ## END
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| 40 | ## OK dash stdout: 2
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| 41 |
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| 42 | #### read with zero args
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| 43 | echo | read
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| 44 | echo status=$?
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| 45 | ## STDOUT:
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| 46 | status=0
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| 47 | ## END
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| 48 | ## BUG dash STDOUT:
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| 49 | status=2
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| 50 | ## END
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| 51 |
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| 52 | #### read builtin with no newline returns status 1
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| 53 |
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| 54 | # This is odd because the variable is populated successfully. OSH/YSH might
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| 55 | # need a separate put reading feature that doesn't use IFS.
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| 56 |
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| 57 | echo -n ZZZ | { read x; echo status=$?; echo $x; }
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| 58 |
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| 59 | ## STDOUT:
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| 60 | status=1
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| 61 | ZZZ
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| 62 | ## END
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| 63 | ## status: 0
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| 64 |
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| 65 | #### read builtin splits value across multiple vars
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| 66 | # NOTE: there are TABS below
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| 67 | read x y z <<EOF
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| 68 | A B C D E
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| 69 | FG
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| 70 | EOF
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| 71 | echo "[$x/$y/$z]"
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| 72 | ## stdout: [A/B/C D E]
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| 73 | ## status: 0
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| 74 |
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| 75 | #### read builtin with too few variables
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| 76 | set -o errexit
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| 77 | set -o nounset # hm this doesn't change it
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| 78 | read x y z <<EOF
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| 79 | A B
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| 80 | EOF
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| 81 | echo /$x/$y/$z/
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| 82 | ## stdout: /A/B//
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| 83 | ## status: 0
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| 84 |
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| 85 | #### read -n (with $REPLY)
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| 86 | echo 12345 > $TMP/readn.txt
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| 87 | read -n 4 x < $TMP/readn.txt
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| 88 | read -n 2 < $TMP/readn.txt # Do it again with no variable
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| 89 | argv.py $x $REPLY
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| 90 | ## stdout: ['1234', '12']
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| 91 | ## N-I dash/zsh stdout: []
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| 92 |
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| 93 | #### IFS= read -n (OSH regression: value saved in tempenv)
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| 94 | echo XYZ > "$TMP/readn.txt"
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| 95 | IFS= TMOUT= read -n 1 char < "$TMP/readn.txt"
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| 96 | argv.py "$char"
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| 97 | ## stdout: ['X']
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| 98 | ## N-I dash/zsh stdout: ['']
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| 99 |
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| 100 | #### read -n doesn't strip whitespace (bug fix)
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| 101 | case $SH in dash|zsh) exit ;; esac
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| 102 |
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| 103 | echo ' a b ' | (read -n 4; echo "[$REPLY]")
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| 104 | echo ' a b ' | (read -n 5; echo "[$REPLY]")
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| 105 | echo ' a b ' | (read -n 6; echo "[$REPLY]")
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| 106 | echo
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| 107 |
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| 108 | echo 'one var strips whitespace'
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| 109 | echo ' a b ' | (read -n 4 myvar; echo "[$myvar]")
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| 110 | echo ' a b ' | (read -n 5 myvar; echo "[$myvar]")
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| 111 | echo ' a b ' | (read -n 6 myvar; echo "[$myvar]")
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| 112 | echo
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| 113 |
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| 114 | echo 'three vars'
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| 115 | echo ' a b ' | (read -n 4 x y z; echo "[$x] [$y] [$z]")
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| 116 | echo ' a b ' | (read -n 5 x y z; echo "[$x] [$y] [$z]")
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| 117 | echo ' a b ' | (read -n 6 x y z; echo "[$x] [$y] [$z]")
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| 118 |
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| 119 | ## STDOUT:
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| 120 | [ a ]
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| 121 | [ a b]
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| 122 | [ a b ]
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| 123 |
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| 124 | one var strips whitespace
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| 125 | [a]
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| 126 | [a b]
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| 127 | [a b]
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| 128 |
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| 129 | three vars
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| 130 | [a] [] []
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| 131 | [a] [b] []
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| 132 | [a] [b] []
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| 133 | ## END
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| 134 |
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| 135 | ## N-I dash/zsh STDOUT:
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| 136 | ## END
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| 137 |
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| 138 | ## BUG mksh STDOUT:
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| 139 | [a]
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| 140 | [a b]
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| 141 | [a b]
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| 142 |
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| 143 | one var strips whitespace
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| 144 | [a]
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| 145 | [a b]
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| 146 | [a b]
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| 147 |
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| 148 | three vars
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| 149 | [a] [] []
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| 150 | [a] [b] []
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| 151 | [a] [b] []
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| 152 | ## END
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| 153 |
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| 154 | #### read -d -n - respects delimiter and splits
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| 155 |
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| 156 | case $SH in dash|zsh|ash) exit ;; esac
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| 157 |
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| 158 | echo 'delim c'
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| 159 | echo ' a b c ' | (read -d 'c' -n 3; echo "[$REPLY]")
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| 160 | echo ' a b c ' | (read -d 'c' -n 4; echo "[$REPLY]")
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| 161 | echo ' a b c ' | (read -d 'c' -n 5; echo "[$REPLY]")
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| 162 | echo
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| 163 |
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| 164 | echo 'one var'
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| 165 | echo ' a b c ' | (read -d 'c' -n 3 myvar; echo "[$myvar]")
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| 166 | echo ' a b c ' | (read -d 'c' -n 4 myvar; echo "[$myvar]")
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| 167 | echo ' a b c ' | (read -d 'c' -n 5 myvar; echo "[$myvar]")
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| 168 | echo
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| 169 |
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| 170 | echo 'three vars'
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| 171 | echo ' a b c ' | (read -d 'c' -n 3 x y z; echo "[$x] [$y] [$z]")
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| 172 | echo ' a b c ' | (read -d 'c' -n 4 x y z; echo "[$x] [$y] [$z]")
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| 173 | echo ' a b c ' | (read -d 'c' -n 5 x y z; echo "[$x] [$y] [$z]")
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| 174 |
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| 175 | ## STDOUT:
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| 176 | delim c
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| 177 | [ a]
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| 178 | [ a ]
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| 179 | [ a b]
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| 180 |
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| 181 | one var
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| 182 | [a]
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| 183 | [a]
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| 184 | [a b]
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| 185 |
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| 186 | three vars
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| 187 | [a] [] []
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| 188 | [a] [] []
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| 189 | [a] [b] []
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| 190 | ## END
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| 191 |
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| 192 | ## N-I dash/zsh/ash STDOUT:
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| 193 | ## END
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| 194 |
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| 195 | ## BUG mksh STDOUT:
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| 196 | delim c
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| 197 | [a]
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| 198 | [a]
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| 199 | [a b]
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| 200 |
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| 201 | one var
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| 202 | [a]
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| 203 | [a]
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| 204 | [a b]
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| 205 |
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| 206 | three vars
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| 207 | [a] [] []
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| 208 | [a] [] []
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| 209 | [a] [b] []
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| 210 | ## END
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| 211 |
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| 212 |
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| 213 | #### read -n with invalid arg
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| 214 | read -n not_a_number
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| 215 | echo status=$?
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| 216 | ## stdout: status=2
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| 217 | ## OK bash stdout: status=1
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| 218 | ## N-I zsh stdout-json: ""
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| 219 |
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| 220 | #### read -n from pipe
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| 221 | case $SH in (dash|ash|zsh) exit ;; esac
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| 222 |
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| 223 | echo abcxyz | { read -n 3; echo reply=$REPLY; }
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| 224 | ## status: 0
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| 225 | ## stdout: reply=abc
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| 226 | ## N-I dash/ash/zsh stdout-json: ""
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| 227 |
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| 228 | # zsh appears to hang with -k
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| 229 | ## N-I zsh stdout-json: ""
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| 230 |
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| 231 | #### read without args uses $REPLY, no splitting occurs (without -n)
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| 232 |
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| 233 | # mksh and zsh implement splitting with $REPLY, bash/ash don't
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| 234 |
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| 235 | echo ' a b ' | (read; echo "[$REPLY]")
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| 236 | echo ' a b ' | (read myvar; echo "[$myvar]")
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| 237 |
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| 238 | echo ' a b \
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| 239 | line2' | (read; echo "[$REPLY]")
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| 240 | echo ' a b \
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| 241 | line2' | (read myvar; echo "[$myvar]")
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| 242 |
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| 243 | # Now test with -r
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| 244 | echo ' a b \
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| 245 | line2' | (read -r; echo "[$REPLY]")
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| 246 | echo ' a b \
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| 247 | line2' | (read -r myvar; echo "[$myvar]")
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| 248 |
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| 249 | ## STDOUT:
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| 250 | [ a b ]
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| 251 | [a b]
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| 252 | [ a b line2]
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| 253 | [a b line2]
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| 254 | [ a b \]
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| 255 | [a b \]
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| 256 | ## END
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| 257 | ## N-I dash stdout:
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| 258 | ## BUG mksh/zsh STDOUT:
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| 259 | [a b]
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| 260 | [a b]
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| 261 | [a b line2]
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| 262 | [a b line2]
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| 263 | [a b \]
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| 264 | [a b \]
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| 265 | ## END
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| 266 | ## BUG dash STDOUT:
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| 267 | []
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| 268 | [a b ]
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| 269 | []
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| 270 | [a b line2]
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| 271 | []
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| 272 | [a b \]
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| 273 | ## END
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| 274 |
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| 275 | #### read -n vs. -N
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| 276 | # dash, ash and zsh do not implement read -N
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| 277 | # mksh treats -N exactly the same as -n
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| 278 | case $SH in (dash|ash|zsh) exit ;; esac
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| 279 |
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| 280 | # bash docs: https://www.gnu.org/software/bash/manual/html_node/Bash-Builtins.html
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| 281 |
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| 282 | echo 'a b c' > $TMP/readn.txt
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| 283 |
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| 284 | echo 'read -n'
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| 285 | read -n 5 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
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| 286 | read -n 4 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
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| 287 | echo
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| 288 |
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| 289 | echo 'read -N'
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| 290 | read -N 5 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
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| 291 | read -N 4 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
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| 292 | ## STDOUT:
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| 293 | read -n
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| 294 | 'a' 'b' 'c'
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| 295 | 'a' 'b' ''
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| 296 |
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| 297 | read -N
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| 298 | 'a b c' '' ''
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| 299 | 'a b ' '' ''
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| 300 | ## END
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| 301 | ## N-I dash/ash/zsh stdout-json: ""
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| 302 | ## BUG mksh STDOUT:
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| 303 | read -n
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| 304 | 'a' 'b' 'c'
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| 305 | 'a' 'b' ''
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| 306 |
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| 307 | read -N
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| 308 | 'a' 'b' 'c'
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| 309 | 'a' 'b' ''
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| 310 | ## END
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| 311 |
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| 312 | #### read -N ignores delimiters
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| 313 | case $SH in (dash|ash|zsh) exit ;; esac
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| 314 |
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| 315 | echo $'a\nb\nc' > $TMP/read-lines.txt
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| 316 |
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| 317 | read -N 3 out < $TMP/read-lines.txt
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| 318 | echo "$out"
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| 319 | ## STDOUT:
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| 320 | a
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| 321 | b
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| 322 | ## END
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| 323 | ## N-I dash/ash/zsh stdout-json: ""
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| 324 |
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| 325 | #### read will unset extranous vars
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| 326 |
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| 327 | echo 'a b' > $TMP/read-few.txt
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| 328 |
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| 329 | c='some value'
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| 330 | read a b c < $TMP/read-few.txt
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| 331 | echo "'$a' '$b' '$c'"
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| 332 |
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| 333 | case $SH in (dash) exit ;; esac # dash does not implement -n
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| 334 |
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| 335 | c='some value'
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| 336 | read -n 3 a b c < $TMP/read-few.txt
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| 337 | echo "'$a' '$b' '$c'"
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| 338 | ## STDOUT:
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| 339 | 'a' 'b' ''
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| 340 | 'a' 'b' ''
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| 341 | ## END
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| 342 | ## N-I dash STDOUT:
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| 343 | 'a' 'b' ''
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| 344 | ## END
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| 345 | ## BUG zsh STDOUT:
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| 346 | 'a' 'b' ''
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| 347 | 'b' '' ''
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| 348 | ## END
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| 349 |
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| 350 | #### read -r ignores backslashes
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| 351 | echo 'one\ two' > $TMP/readr.txt
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| 352 | read escaped < $TMP/readr.txt
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| 353 | read -r raw < $TMP/readr.txt
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| 354 | argv.py "$escaped" "$raw"
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| 355 | ## stdout: ['one two', 'one\\ two']
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| 356 |
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| 357 | #### read -r with other backslash escapes
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| 358 | echo 'one\ two\x65three' > $TMP/readr.txt
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| 359 | read escaped < $TMP/readr.txt
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| 360 | read -r raw < $TMP/readr.txt
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| 361 | argv.py "$escaped" "$raw"
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| 362 | # mksh respects the hex escapes here, but other shells don't!
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| 363 | ## stdout: ['one twox65three', 'one\\ two\\x65three']
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| 364 | ## BUG mksh/zsh stdout: ['one twoethree', 'one\\ twoethree']
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| 365 |
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| 366 | #### read with line continuation reads multiple physical lines
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| 367 | # NOTE: osh failing because of file descriptor issue. stdin has to be closed!
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| 368 | tmp=$TMP/$(basename $SH)-readr.txt
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| 369 | echo -e 'one\\\ntwo\n' > $tmp
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| 370 | read escaped < $tmp
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| 371 | read -r raw < $tmp
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| 372 | argv.py "$escaped" "$raw"
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| 373 | ## stdout: ['onetwo', 'one\\']
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| 374 | ## N-I dash stdout: ['-e onetwo', '-e one\\']
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| 375 |
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| 376 | #### read multiple vars spanning many lines
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| 377 | read x y << 'EOF'
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| 378 | one-\
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| 379 | two three-\
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| 380 | four five-\
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| 381 | six
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| 382 | EOF
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| 383 | argv.py "$x" "$y" "$z"
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| 384 | ## stdout: ['one-two', 'three-four five-six', '']
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| 385 |
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| 386 | #### read -r with \n
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| 387 | echo '\nline' > $TMP/readr.txt
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| 388 | read escaped < $TMP/readr.txt
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| 389 | read -r raw < $TMP/readr.txt
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| 390 | argv.py "$escaped" "$raw"
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| 391 | # dash/mksh/zsh are bugs because at least the raw mode should let you read a
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| 392 | # literal \n.
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| 393 | ## stdout: ['nline', '\\nline']
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| 394 | ## BUG dash/mksh/zsh stdout: ['', '']
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| 395 |
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| 396 | #### read -s from pipe, not a terminal
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| 397 | case $SH in (dash|zsh) exit ;; esac
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| 398 |
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| 399 | # It's hard to really test this because it requires a terminal. We hit a
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| 400 | # different code path when reading through a pipe. There can be bugs there
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| 401 | # too!
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| 402 |
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| 403 | echo foo | { read -s; echo $REPLY; }
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| 404 | echo bar | { read -n 2 -s; echo $REPLY; }
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| 405 |
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| 406 | # Hm no exit 1 here? Weird
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| 407 | echo b | { read -n 2 -s; echo $?; echo $REPLY; }
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| 408 | ## STDOUT:
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| 409 | foo
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| 410 | ba
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| 411 | 0
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| 412 | b
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| 413 | ## END
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| 414 | ## N-I dash/zsh stdout-json: ""
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| 415 |
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| 416 | #### read with IFS=$'\n'
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| 417 | # The leading spaces are stripped if they appear in IFS.
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| 418 | IFS=$(echo -e '\n')
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| 419 | read var <<EOF
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| 420 | a b c
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| 421 | d e f
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| 422 | EOF
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| 423 | echo "[$var]"
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| 424 | ## stdout: [ a b c]
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| 425 | ## N-I dash stdout: [a b c]
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| 426 |
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| 427 | #### read multiple lines with IFS=:
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| 428 | # The leading spaces are stripped if they appear in IFS.
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| 429 | # IFS chars are escaped with :.
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| 430 | tmp=$TMP/$(basename $SH)-read-ifs.txt
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| 431 | IFS=:
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| 432 | cat >$tmp <<'EOF'
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| 433 | \\a :b\: c:d\
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| 434 | e
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| 435 | EOF
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| 436 | read a b c d < $tmp
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| 437 | # Use printf because echo in dash/mksh interprets escapes, while it doesn't in
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| 438 | # bash.
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| 439 | printf "%s\n" "[$a|$b|$c|$d]"
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| 440 | ## stdout: [ \a |b: c|d e|]
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| 441 |
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| 442 | #### read with IFS=''
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| 443 | IFS=''
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| 444 | read x y <<EOF
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| 445 | a b c d
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| 446 | EOF
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| 447 | echo "[$x|$y]"
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| 448 | ## stdout: [ a b c d|]
|
| 449 |
|
| 450 | #### read does not respect C backslash escapes
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| 451 |
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| 452 | # bash doesn't respect these, but other shells do. Gah! I think bash
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| 453 | # behavior makes more sense. It only escapes IFS.
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| 454 | echo '\a \b \c \d \e \f \g \h \x65 \145 \i' > $TMP/read-c.txt
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| 455 | read line < $TMP/read-c.txt
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| 456 | echo $line
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| 457 | ## stdout-json: "a b c d e f g h x65 145 i\n"
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| 458 | ## BUG ash stdout-json: "abcdefghx65 145 i\n"
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| 459 | ## BUG dash/zsh stdout-json: "\u0007 \u0008\n"
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| 460 | ## BUG mksh stdout-json: "\u0007 \u0008 d \u001b \u000c g h e 145 i\n"
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| 461 |
|
| 462 | #### dynamic scope used to set vars
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| 463 | f() {
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| 464 | read head << EOF
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| 465 | ref: refs/heads/dev/andy
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| 466 | EOF
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| 467 | }
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| 468 | f
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| 469 | echo $head
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| 470 | ## STDOUT:
|
| 471 | ref: refs/heads/dev/andy
|
| 472 | ## END
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| 473 |
|
| 474 | #### read -a reads into array
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| 475 |
|
| 476 | # read -a is used in bash-completion
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| 477 | # none of these shells implement it
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| 478 | case $SH in
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| 479 | *mksh|*dash|*zsh|*/ash)
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| 480 | exit 2;
|
| 481 | ;;
|
| 482 | esac
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| 483 |
|
| 484 | read -a myarray <<'EOF'
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| 485 | a b c\ d
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| 486 | EOF
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| 487 | argv.py "${myarray[@]}"
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| 488 |
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| 489 | # arguments are ignored here
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| 490 | read -r -a array2 extra arguments <<'EOF'
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| 491 | a b c\ d
|
| 492 | EOF
|
| 493 | argv.py "${array2[@]}"
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| 494 | argv.py "${extra[@]}"
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| 495 | argv.py "${arguments[@]}"
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| 496 | ## status: 0
|
| 497 | ## STDOUT:
|
| 498 | ['a', 'b', 'c d']
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| 499 | ['a', 'b', 'c\\', 'd']
|
| 500 | []
|
| 501 | []
|
| 502 | ## END
|
| 503 | ## N-I dash/mksh/zsh/ash status: 2
|
| 504 | ## N-I dash/mksh/zsh/ash stdout-json: ""
|
| 505 |
|
| 506 | #### read -d : (colon-separated records)
|
| 507 | printf a,b,c:d,e,f:g,h,i | {
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| 508 | IFS=,
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| 509 | read -d : v1
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| 510 | echo "v1=$v1"
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| 511 | read -d : v1 v2
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| 512 | echo "v1=$v1 v2=$v2"
|
| 513 | read -d : v1 v2 v3
|
| 514 | echo "v1=$v1 v2=$v2 v3=$v3"
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| 515 | }
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| 516 | ## STDOUT:
|
| 517 | v1=a,b,c
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| 518 | v1=d v2=e,f
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| 519 | v1=g v2=h v3=i
|
| 520 | ## END
|
| 521 | ## N-I dash STDOUT:
|
| 522 | v1=
|
| 523 | v1= v2=
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| 524 | v1= v2= v3=
|
| 525 | ## END
|
| 526 |
|
| 527 | #### read -d '' (null-separated records)
|
| 528 | printf 'a,b,c\0d,e,f\0g,h,i' | {
|
| 529 | IFS=,
|
| 530 | read -d '' v1
|
| 531 | echo "v1=$v1"
|
| 532 | read -d '' v1 v2
|
| 533 | echo "v1=$v1 v2=$v2"
|
| 534 | read -d '' v1 v2 v3
|
| 535 | echo "v1=$v1 v2=$v2 v3=$v3"
|
| 536 | }
|
| 537 | ## STDOUT:
|
| 538 | v1=a,b,c
|
| 539 | v1=d v2=e,f
|
| 540 | v1=g v2=h v3=i
|
| 541 | ## END
|
| 542 | ## N-I dash STDOUT:
|
| 543 | v1=
|
| 544 | v1= v2=
|
| 545 | v1= v2= v3=
|
| 546 | ## END
|
| 547 |
|
| 548 | #### read -rd
|
| 549 | read -rd '' var <<EOF
|
| 550 | foo
|
| 551 | bar
|
| 552 | EOF
|
| 553 | echo "$var"
|
| 554 | ## STDOUT:
|
| 555 | foo
|
| 556 | bar
|
| 557 | ## END
|
| 558 | ## N-I dash stdout-json: "\n"
|
| 559 |
|
| 560 | #### read -d when there's no delimiter
|
| 561 | { read -d : part
|
| 562 | echo $part $?
|
| 563 | read -d : part
|
| 564 | echo $part $?
|
| 565 | } <<EOF
|
| 566 | foo:bar
|
| 567 | EOF
|
| 568 | ## STDOUT:
|
| 569 | foo 0
|
| 570 | bar 1
|
| 571 | ## END
|
| 572 | ## N-I dash STDOUT:
|
| 573 | 2
|
| 574 | 2
|
| 575 | ## END
|
| 576 |
|
| 577 | #### read -t 0 tests if input is available
|
| 578 | case $SH in (dash|zsh|mksh) exit ;; esac
|
| 579 |
|
| 580 | # is there input available?
|
| 581 | read -t 0 < /dev/null
|
| 582 | echo $?
|
| 583 |
|
| 584 | # floating point
|
| 585 | read -t 0.0 < /dev/null
|
| 586 | echo $?
|
| 587 |
|
| 588 | # floating point
|
| 589 | echo foo | { read -t 0; echo reply=$REPLY; }
|
| 590 | echo $?
|
| 591 |
|
| 592 | ## STDOUT:
|
| 593 | 0
|
| 594 | 0
|
| 595 | reply=
|
| 596 | 0
|
| 597 | ## END
|
| 598 | ## N-I dash/zsh/mksh stdout-json: ""
|
| 599 |
|
| 600 | #### read -t 0.5
|
| 601 | case $SH in (dash) exit ;; esac
|
| 602 |
|
| 603 | read -t 0.5 < /dev/null
|
| 604 | echo $?
|
| 605 |
|
| 606 | ## STDOUT:
|
| 607 | 1
|
| 608 | ## END
|
| 609 | ## BUG zsh/mksh STDOUT:
|
| 610 | 1
|
| 611 | ## END
|
| 612 | ## N-I dash stdout-json: ""
|
| 613 |
|
| 614 | #### read -t -0.5 is invalid
|
| 615 | # bash appears to just take the absolute value?
|
| 616 |
|
| 617 | read -t -0.5 < /dev/null
|
| 618 | echo $?
|
| 619 |
|
| 620 | ## STDOUT:
|
| 621 | 2
|
| 622 | ## END
|
| 623 | ## BUG bash STDOUT:
|
| 624 | 1
|
| 625 | ## END
|
| 626 | ## BUG zsh stdout-json: ""
|
| 627 | ## BUG zsh status: 1
|
| 628 |
|
| 629 | #### read -u
|
| 630 | case $SH in (dash|mksh) exit ;; esac
|
| 631 |
|
| 632 | # file descriptor
|
| 633 | read -u 3 3<<EOF
|
| 634 | hi
|
| 635 | EOF
|
| 636 | echo reply=$REPLY
|
| 637 | ## STDOUT:
|
| 638 | reply=hi
|
| 639 | ## END
|
| 640 | ## N-I dash/mksh stdout-json: ""
|
| 641 |
|
| 642 | #### read -u syntax error
|
| 643 | read -u -3
|
| 644 | echo status=$?
|
| 645 | ## STDOUT:
|
| 646 | status=2
|
| 647 | ## END
|
| 648 | ## OK bash/zsh STDOUT:
|
| 649 | status=1
|
| 650 | ## END
|
| 651 |
|
| 652 | #### read -N doesn't respect delimiter, while read -n does
|
| 653 | case $SH in (dash|zsh|ash) exit ;; esac
|
| 654 |
|
| 655 | echo foobar | { read -n 5 -d b; echo $REPLY; }
|
| 656 | echo foobar | { read -N 5 -d b; echo $REPLY; }
|
| 657 | ## STDOUT:
|
| 658 | foo
|
| 659 | fooba
|
| 660 | ## END
|
| 661 | ## OK mksh STDOUT:
|
| 662 | fooba
|
| 663 | fooba
|
| 664 | ## END
|
| 665 | ## N-I dash/zsh/ash stdout-json: ""
|
| 666 |
|
| 667 | #### read -p (not fully tested)
|
| 668 |
|
| 669 | # hm DISABLED if we're not going to the terminal
|
| 670 | # so we're only testing that it accepts the flag here
|
| 671 |
|
| 672 | case $SH in (dash|mksh|zsh) exit ;; esac
|
| 673 |
|
| 674 | echo hi | { read -p 'P'; echo $REPLY; }
|
| 675 | echo hi | { read -p 'P' -n 1; echo $REPLY; }
|
| 676 | ## STDOUT:
|
| 677 | hi
|
| 678 | h
|
| 679 | ## END
|
| 680 | ## stderr-json: ""
|
| 681 | ## N-I dash/mksh/zsh stdout-json: ""
|
| 682 |
|
| 683 | #### read usage
|
| 684 | read -n -1
|
| 685 | echo status=$?
|
| 686 | ## STDOUT:
|
| 687 | status=2
|
| 688 | ## END
|
| 689 | ## OK bash stdout: status=1
|
| 690 | ## BUG mksh stdout-json: ""
|
| 691 | # zsh gives a fatal error? seems inconsistent
|
| 692 | ## BUG zsh stdout-json: ""
|
| 693 | ## BUG zsh status: 1
|
| 694 |
|
| 695 | #### read with smooshed args
|
| 696 | echo hi | { read -rn1 var; echo var=$var; }
|
| 697 | ## STDOUT:
|
| 698 | var=h
|
| 699 | ## END
|
| 700 | ## N-I dash/zsh STDOUT:
|
| 701 | var=
|
| 702 | ## END
|
| 703 |
|
| 704 | #### read -r -d '' for NUL strings, e.g. find -print0
|
| 705 |
|
| 706 |
|
| 707 | case $SH in (dash|zsh|mksh) exit ;; esac # NOT IMPLEMENTED
|
| 708 |
|
| 709 | mkdir -p read0
|
| 710 | cd read0
|
| 711 | rm -f *
|
| 712 |
|
| 713 | touch a\\b\\c\\d # -r is necessary!
|
| 714 |
|
| 715 | find . -type f -a -print0 | { read -r -d ''; echo "[$REPLY]"; }
|
| 716 |
|
| 717 | ## STDOUT:
|
| 718 | [./a\b\c\d]
|
| 719 | ## END
|
| 720 | ## N-I dash/zsh/mksh STDOUT:
|
| 721 | ## END
|
| 722 |
|
| 723 |
|
| 724 | #### read from redirected directory is non-fatal error
|
| 725 |
|
| 726 | # This tickles an infinite loop bug in our version of mksh! TODO: upgrade the
|
| 727 | # version and enable this
|
| 728 | case $SH in (mksh) return ;; esac
|
| 729 |
|
| 730 | cd $TMP
|
| 731 | mkdir -p dir
|
| 732 | read x < ./dir
|
| 733 | echo status=$?
|
| 734 |
|
| 735 | ## STDOUT:
|
| 736 | status=1
|
| 737 | ## END
|
| 738 | # OK mksh stdout: status=2
|
| 739 | ## OK mksh stdout-json: ""
|
| 740 |
|
| 741 | #### read -n from directory
|
| 742 |
|
| 743 | case $SH in (dash|ash) return ;; esac # not implemented
|
| 744 |
|
| 745 | # same hanging bug
|
| 746 | case $SH in (mksh) return ;; esac
|
| 747 |
|
| 748 | mkdir -p dir
|
| 749 | read -n 3 x < ./dir
|
| 750 | echo status=$?
|
| 751 | ## STDOUT:
|
| 752 | status=1
|
| 753 | ## END
|
| 754 | ## OK mksh stdout-json: ""
|
| 755 | ## N-I dash/ash stdout-json: ""
|
| 756 |
|
| 757 | #### mapfile from directory (bash doesn't handle errors)
|
| 758 | case $SH in (dash|ash|mksh|zsh) return ;; esac # not implemented
|
| 759 |
|
| 760 | mkdir -p dir
|
| 761 | mapfile $x < ./dir
|
| 762 | echo status=$?
|
| 763 |
|
| 764 | ## STDOUT:
|
| 765 | status=1
|
| 766 | ## END
|
| 767 | ## BUG bash STDOUT:
|
| 768 | status=0
|
| 769 | ## END
|
| 770 | ## N-I dash/ash/mksh/zsh stdout-json: ""
|