1 | #
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2 | # Differences from bash:
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3 | # - literal syntax alternates key-value
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4 | # - (@k) syntax for keys. Although this is sort of like my ${@array} syntax
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5 | # for arrays.
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6 | # - zsh allows $a[$k], not just ${a[$k]}
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7 |
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8 |
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9 | #### TODO: SETUP should be shared
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10 | typeset -A a
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11 | a=(aa b foo bar a+1 c)
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12 |
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13 | #### retrieve key
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14 | typeset -A a
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15 | a=(aa b foo bar a+1 c)
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16 | echo ${a[aa]}
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17 | ## stdout: b
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18 |
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19 | #### set key
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20 | typeset -A a
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21 | a=(aa b foo bar a+1 c)
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22 | a[X]=XX
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23 | argv.py "${a[@]}"
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24 | # What order is this?
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25 | ## stdout: ['bar', 'b', 'c', 'XX']
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26 |
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27 | #### iterate over keys
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28 | typeset -A assoc
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29 | assoc=(k1 v1 k2 v2 k3 v3)
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30 | for k in "${(@k)assoc}"; do
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31 | echo "$k: $assoc[$k]"
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32 | done
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33 | ## stdout-json: "k1: v1\nk2: v2\nk3: v3\n"
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34 |
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35 | #### iterate over both keys and values
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36 | typeset -A assoc
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37 | assoc=(k1 v1 k2 v2 k3 v3)
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38 | for k v ("${(@kv)assoc}"); do
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39 | echo "$k: $v"
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40 | done
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41 | ## stdout-json: "k1: v1\nk2: v2\nk3: v3\n"
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42 |
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43 | #### get length
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44 | typeset -A assoc
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45 | assoc=(k1 v1 k2 v2 k3 v3)
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46 | echo ${#assoc} ${#assoc[k1]}
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47 | ## stdout: 3 2
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48 |
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49 | #### index by integer does not work
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50 | typeset -A assoc
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51 | assoc=(k1 v1 k2 v2 k3 v3)
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52 | argv.py "${assoc[1]}"
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53 | ## stdout: ['']
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