Fwd: Retrieve and In Bug?

[Gerrit Riessen]

I am sorry ... i just RTFM:
"
A reference to an array element that has no recorded value yields a value of 
"", the null string.
This includes elements that have not been assigned any value as well as 
elements that have been
deleted (see Section 7.6 [The delete Statement], page 108). Such a reference 
automatically
creates that array element, with the null string as its value. (In some cases, 
this is unfortunate,
because it might waste memory inside awk.)
" 

Sorry to have wasted your time!

Regards, Gerrit

> Hello,
> 
> I might have found a bug in the handling values that are not
> defined in arrays.
> 
> Basically what I do is attempt to retrieve a value that is not
> defined as an index in an array, i.e. value = array[index]. This causes
> if the index is not defined, i.e. (index in array) returns 0, to define
> the index, i.e. (index in array) returns 1 after calling value = array[index].
> 
> I've tested this on GNU/Linux with Gawk 3.1.0 and on Win2000 with
> Gawk 3.1.3. I've also included the test program.
> 
> Cheers, Gerrit


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