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- ' *** FUNC_EX.BAS ***
-
- LINE INPUT "Enter a string: ",InString$
- PRINT "The string length is"; StrLen(InString$)
-
- FUNCTION StrLen(X$)
- IF X$ = "" THEN
- ' The length of a null string is zero.
- StrLen=0
- ELSE
- ' Non-null string--make a recursive call.
- ' The length of a non-null string is 1
- ' plus the length of the rest of the string.
- StrLen=1+StrLen(MID$(X$,2))
- END IF
- END FUNCTION
-