| 1 | #### Augmented assignment doesn't work on List
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| 2 | 
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| 3 | # I suppose the logic is that string and array concat is ++
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| 4 | #
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| 5 | # I wonder if a ++= operator makes sense?
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| 6 | 
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| 7 | shopt -s parse_at simple_word_eval
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| 8 | var x = :| a 'b c' |
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| 9 | argv.py @x
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| 10 | 
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| 11 | setvar x += :| d e |  # fatal error
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| 12 | argv.py @x
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| 13 | ## status: 3
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| 14 | ## STDOUT:
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| 15 | ['a', 'b c']
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| 16 | ## END
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| 17 | 
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| 18 | #### Augmented assignment respects command_sub_errexit
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| 19 | 
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| 20 | 
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| 21 | var x = '42'
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| 22 | setvar x += $(echo 3)
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| 23 | echo x=$x
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| 24 | 
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| 25 | setvar x += $(echo 3; false)
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| 26 | echo x=$x
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| 27 | 
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| 28 | ## status: 1
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| 29 | ## STDOUT:
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| 30 | x=45
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| 31 | ## END
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| 32 | 
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| 33 | 
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| 34 | #### Augmented assignment with integers
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| 35 | var x = 1 + 2 * 3
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| 36 | echo x=$x
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| 37 | 
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| 38 | setvar x += 4 * 1
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| 39 | echo x=$x
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| 40 | ## STDOUT:
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| 41 | x=7
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| 42 | x=11
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| 43 | ## END
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| 44 | 
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| 45 | #### Augmented assignment on string changes to Int Float
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| 46 | 
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| 47 | var x = '42'
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| 48 | pp line (x)
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| 49 | 
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| 50 | setvar x += 4 * 1
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| 51 | pp line (x)
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| 52 | 
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| 53 | setvar x += '9'
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| 54 | pp line (x)
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| 55 | 
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| 56 | setvar x = '42'
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| 57 | setvar x /= 4
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| 58 | pp line (x)
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| 59 | 
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| 60 | ## STDOUT:
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| 61 | (Str)   "42"
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| 62 | (Int)   46
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| 63 | (Int)   55
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| 64 | (Float)   10.5
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| 65 | ## END
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| 66 | 
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| 67 | #### Augmented assignment with floats
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| 68 | 
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| 69 | var x = 42
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| 70 | 
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| 71 | setvar x += 1.5
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| 72 | echo $x
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| 73 | 
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| 74 | setvar x += '1.5'
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| 75 | echo $x
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| 76 | 
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| 77 | setvar x += '3'
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| 78 | echo $x
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| 79 | ## STDOUT:
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| 80 | 43.5
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| 81 | 45.0
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| 82 | 48.0
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| 83 | ## END
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| 84 | 
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| 85 | #### Int/Float augmented += -= *= /=
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| 86 | 
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| 87 | var x = 0
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| 88 | 
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| 89 | setvar x = 10
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| 90 | setvar x -= 3
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| 91 | echo x=$x
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| 92 | 
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| 93 | setvar x = 10
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| 94 | setvar x *= 3
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| 95 | echo x=$x
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| 96 | 
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| 97 | var x = 0
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| 98 | setvar x = 10
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| 99 | setvar x /= 2
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| 100 | echo x=$x
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| 101 | 
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| 102 | ## STDOUT:
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| 103 | x=7
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| 104 | x=30
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| 105 | x=5.0
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| 106 | ## END
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| 107 | 
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| 108 | #### Int Augmented //= %= **= and bitwise ops
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| 109 | 
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| 110 | var x = 0
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| 111 | 
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| 112 | setvar x = 10
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| 113 | setvar x //= 3
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| 114 | echo x=$x
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| 115 | 
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| 116 | setvar x = 10
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| 117 | setvar x %= 3
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| 118 | echo x=$x
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| 119 | 
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| 120 | setvar x = 10
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| 121 | setvar x **= 3
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| 122 | echo x=$x
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| 123 | 
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| 124 | echo
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| 125 | echo bitwise
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| 126 | 
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| 127 | setvar x  = 0b1111
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| 128 | setvar x &= 0b0101
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| 129 | echo x=$x
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| 130 | 
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| 131 | setvar x  = 0b1000
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| 132 | setvar x |= 0b0111
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| 133 | echo x=$x
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| 134 | 
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| 135 | setvar x = 0b1010
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| 136 | setvar x ^= 0b1001
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| 137 | echo x=$x
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| 138 | 
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| 139 | echo
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| 140 | echo shift
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| 141 | 
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| 142 | setvar x = 0b1000
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| 143 | setvar x <<= 1
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| 144 | echo x=$x
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| 145 | 
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| 146 | setvar x = 0b1000
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| 147 | setvar x >>= 1
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| 148 | echo x=$x
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| 149 | 
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| 150 | ## STDOUT:
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| 151 | x=3
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| 152 | x=1
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| 153 | x=1000
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| 154 | 
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| 155 | bitwise
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| 156 | x=5
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| 157 | x=15
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| 158 | x=3
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| 159 | 
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| 160 | shift
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| 161 | x=16
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| 162 | x=4
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| 163 | ## END
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| 164 | 
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| 165 | #### Augmented assignment of Dict
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| 166 | 
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| 167 | var d = {x: 42}
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| 168 | 
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| 169 | setvar d['x'] += 1.5
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| 170 | echo $[d.x]
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| 171 | 
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| 172 | setvar d.x += '1.5'
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| 173 | echo $[d.x]
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| 174 | 
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| 175 | setvar d.x += '3'
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| 176 | echo $[d.x]
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| 177 | 
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| 178 | ## STDOUT:
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| 179 | 43.5
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| 180 | 45.0
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| 181 | 48.0
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| 182 | ## END
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| 183 | 
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| 184 | #### Augmented assignment of List
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| 185 | 
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| 186 | shopt -s parse_at
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| 187 | 
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| 188 | var mylist = :| 32 42 |
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| 189 | 
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| 190 | setvar mylist[0] -= 1
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| 191 | echo @mylist
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| 192 | 
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| 193 | setvar mylist[1] //= 2
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| 194 | echo @mylist
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| 195 | 
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| 196 | setvar mylist[1] /= 2
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| 197 | echo @mylist
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| 198 | 
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| 199 | 
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| 200 | ## STDOUT:
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| 201 | 31 42
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| 202 | 31 21
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| 203 | 31 10.5
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| 204 | ## END
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| 205 | 
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| 206 | #### Dict with nonexistent key (bug fix)
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| 207 | 
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| 208 | var d = {x: 42}
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| 209 | 
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| 210 | setvar d.x += 1
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| 211 | setglobal d.x += 1
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| 212 | echo $[d.x]
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| 213 | 
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| 214 | setvar d.missing -= 1
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| 215 | setglobal d.missing -= 1
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| 216 | 
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| 217 | 
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| 218 | ## status: 3
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| 219 | ## STDOUT:
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| 220 | 44
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| 221 | ## END
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| 222 | 
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| 223 | 
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| 224 | #### List with nonexistent elemnt
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| 225 | var L = [42]
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| 226 | setvar L[99] += 1
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| 227 | 
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| 228 | ## status: 3
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| 229 | ## STDOUT:
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| 230 | ## END
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| 231 | 
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| 232 | 
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| 233 | #### Augmented assignment doesn't work with multiple LHS
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| 234 | 
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| 235 | var x = 3
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| 236 | var y = 4
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| 237 | setvar x, y += 2
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| 238 | echo $x $y
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| 239 | 
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| 240 | ## status: 2
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| 241 | ## STDOUT:
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| 242 | ## END
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| 243 | 
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| 244 | 
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| 245 | 
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