20 lines
447 B
Bash
Executable File
20 lines
447 B
Bash
Executable File
#!/bin/bash
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declare -A array
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array[x1,y1]=100
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array[x1,y2]=200
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array[x2,y1]=300
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array[x2,y2]=400
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#alternative 1, extract all the main keys with sort
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for key in $(printf '%s\n' "${!array[@]}" | sed 's/,.*//' | sort -u); do
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#alternative 2, keeping track of the main keys
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keys=(x1 x2)
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for key in "${keys[@]}"; do
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#the loop contents are the same
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echo "$key : y1 = ${array[$key,y1]}"
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echo "$key : y2 = ${array[$key,y2]}"
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done
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done
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exit 0 |