print x[x.keys[3]] works, but there might exist a shorter way of doing this…

-Paul

> Le 30-08-2015 à 20:49, Eric Martz <ema...@microbio.umass.edu> a écrit :
> 
> load =1al4
> x = {altloc!=""}.altloc.all.pivot
> 
> Now we have an associative array with key:value pairs:
> 
> $ print x
> {
>   "A"  :  238
>   "B"  :  244
>   "C"  :  34
>   "D"  :  12
>  }
> $ print x.type
> hash
> 
> I can retrieve the value for key C:
> 
> $ print x..C
> 34
> 
> How do I retrieve a value for the nth element of the array without knowing 
> the key?
> 
> $ print x.keys[3]
> C
> 
> $ print x..x.keys[3]
> (prints blank)
> 
> Thanks, Eric
> 
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