error in test contion

Dr. Hawkins dochawk at gmail.com
Fri Oct 25 17:19:11 EDT 2013


 I store the program version, calculated from the filename, as a custom
property of the main stack.  So when the filename changes, the following
code comes into play when opening:

put exists (the prgVrsn of stack "mcp") , (the prgVrsn of stack "mcp" <>
progVersion)
if not exists (the prgVrsn of stack "mcp") OR (the prgVrsn of stack "mcp"
<> progVersion) then

         set the prgVrsn of stack "mcp" to progVersion


The put executes, with false, false r some such.

But then the test causes the message,

Type    if-then: error in statement
Object    mcp
Line    if not exists (the prgVrsn of stack "mcp") OR (the prgVrsn of stack
"mcp" <> progVersion) then
Hint    openMcp


-- 
Dr. Richard E. Hawkins, Esq.
(702) 508-8462



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