Programmer's Reference Manual Intermec Fingerprint® v8.70.0 ...

Chapter —Program Instructions
WHILE...WEND
Purpose Statement for executing a series of statements in a loop providing a given
condition is true.
Syntax WHILE
[...]
WEND
is a numeric expression that is either TRUE (-1) of FALSE (0).
is a statement, or a list of statements on separate lines, that will
be executed provided is TRUE.
Remarks If is TRUE, all following statements will be executed successively
until a WEND statement is encountered. The program execution then
goes back to the WHILE statement and repeats the process, provided
still is TRUE.
If is FALSE, the execution resumes at the statement following the
WEND statement.
WHILE...WEND statements can be nested. Each WEND matches the
most recent WHILE statement.
Example In this example, the WHILE...WEND loop will only be executed if the
character “Y” (ASCII 89 dec.) is entered on the keyboard of the host.
10 B%=0
20 WHILE B%89
30 INPUT "Want to exit? Press Y=Yes or N=No ",A$
40 B%=ASC(A$)
50 WEND
60 PRINT "The answer is Yes"
70 PRINT "You will exit the program"
80 END
RUN
yields:
Want to exit? Press Y=Yes or N=No N
Want to exit? Press Y=Yes or N=No Y
The answer is Yes
You will exit the program
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