Array Scan error

[Bernard Chapman]

I have happily used ARRAY SCAN for years with string arrays but the following single statement straight out of the manual refuses to compile with a "Relational Operator Expected" error.

Removing the "FOR 10," allows it to compile. I just cannot see what is wrong.

FUNCTION PBMAIN() AS LONG

LOCAL A() AS LONG
LOCAL I AS LONG

DIM A&(10)

ARRAY SCAN A&(), FOR 10, =1, TO i&

END FUNCTION

Can anyone put me out of my misery?

Regards,

Bern

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Bern

www.insighttrading.com.au

[Borje Hagsten]

A comma too many, right after A&(). The following will work:

ARRAY SCAN A&() FOR 10, =1, TO i&

A tip. If you intend to scan the entire array, you can remove FOR
and just use the following instead:

FUNCTION PBMAIN() AS LONG
  LOCAL I AS LONG
  REDIM A(10) AS LONG
  ARRAY SCAN A(), =1, TO I
END FUNCTION

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[Bernard Chapman]

I have found it.

Looks like the examples in the manual are not consistent with the syntax statement statement which is correct.

Removing the comma between the array and the FOR solves the problem.

Bern

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Bern

www.insighttrading.com.au

[Bernard Chapman]

Thanks Borje for your prompt reply.

Maybe the manual has been updated since I got mine.

It is so much easier to grab an example and modify it than to work through the syntax statment. But this has obvious dangers.

Regards,

Bern



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Bern

www.insighttrading.com.au

[Borje Hagsten]

You are right - the examples given for ARRAY SCAN are faulty,
since they add a comma before FOR. Manual says:
ARRAY SCAN array([index]) [FOR count], operator expression, TO lvar

Given examples wrongly says: ARRAY SCAN A&(), FOR 10, =1, TO I&

In case someone has missed it - text within [] is optional - can
be omitted, so the above can be used in four different ways:

ARRAY SCAN array(), operator expression, TO lvar
ARRAY SCAN array() FOR count, operator expression, TO lvar
ARRAY SCAN array(index), operator expression, TO lvar
ARRAY SCAN array(index) FOR count, operator expression, TO lvar


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[Bernard Chapman]

Borje,

While I have your ear I would like to thank you again for POFFS. I use it all the time. Absolutely marvellous!

Regards,

Bern

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Bern

www.insighttrading.com.au

[Lance Edmonds]

Good catch on the comma's, folks!

I'll pass that along to the Documentation Dept...


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Lance
PowerBASIC Support
mailto:[email protected][email protected]</A>

[Lance Edmonds]

Oops! There is also an error in the accompanying ARRAY SCAN text that refers to variable I% instead of I&.



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Lance
PowerBASIC Support
mailto:[email protected][email protected]</A>

[Bob Houle]

Lance,
How can I get a job in this 'Documentation Dept.'? It's been
18 months since the last time they had to put anything on paper.

--Bob

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