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awk array

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awk array
Hello. I'm trying to figure out which one of these is not true about an awk array.


-You do not need to formally declare an array; it is created automatically on first assignment

-Array elements can only be addressed using an index


-A for loop can itterate over all indexes or keys in an array


-If an array element is accessed before it is assigned; the default value will be 0
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"True" to all except for a "partial True" for the fourth questiion - in string context, the value of an undefined / uninitialized / unassigned element is "", i.e. the empty string.
Last edited by RudiC; 11-03-2019 at 06:16 PM..
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