Just use
=&:(,L:0)
instead of
=
and it will do what you want.
stringequal =: =&:(,L:0)
Henry Rich
On 3/29/2012 8:59 PM, PackRat wrote:
> Devon McCormick wrote:
>> So is this an accurate, if simplified, representation of what you want to do?
>>
>> str0=. ,&.>'A';'B';'NG';'Yow'
>> col2search=. ,&.>'A';'a';'AA';'B';'BB';'C';'CC';'Foo';'Zowie';'NG'
>> col2search e. str0
>> 1 0 0 1 0 0 0 0 0 1
>> str0 i. col2search NB. Which element of "str0" found where? (4 is
>> not found)
>> 0 4 4 1 4 4 4 4 4 2
>>
>> The only real trick is raveling the elements of each item (,&.>) to
>> ensure that they are all vectors.
>
> This is becoming far more complex than what I was seeking.
>
> Versions and variations of the BASIC computer language are the
> languages I'm most familiar with prior to J. What I was trying to
> accomplish is similar to this in BASIC:
>
> If x$ = y$ Then<do some action>
>
> If x$ and y$ are two strings (literals, in J parlance) which contain
> exactly the same characters in exactly the same order, then they would
> be considered "equal", and the logical value passed to "If" would be
> "true", which makes the "Then" action occur in BASIC; otherwise not.
>
> The same logic of a series of successive "if"/"elseif" statements in J
> occurs in a "select..case" construct, which was my original preferred
> approach. I turned to "if" because I couldn't seem to get the "select"
> construct to work.
>
> Does this clarify better what I was trying to do?
>
>
> Harvey
>
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