- Length of string varies!

From: [at]} <Alexander>
Date: Sat, 30 Sep 2006 01:14:51 +0700

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Hello, Douglas!

DGD> Ah, but if x$ is a "string" which you seem to imply includes the
DGD> terminal 0X then when I call
DGD> LEN(x$) in the outer procedure I should also get the value 3 and not 2.
DGD> There seems to be
DGD> an inconsistency.

  That's because you measure LEN(x$) on the outside, but LEN(y) on the
  inside. You should measure LEN(y$) to get consistent results.

  From Docu/CP-Lang:

LEN(v, x)
  parameters: v: array; x: integer constant
    result: INTEGER length of v in dimension x (first dimension = 0)
    
LEN(v)
  parameter: array type
    result: INTEGER equivalent to LEN(v, 0)
    
LEN(v)
  parameter: String
    result: INTEGER length of string (not counting 0X) (!)

---=====---
 Alexander

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Received on Fri Sep 29 2006 - 20:14:51 UTC