Specifications

345
■ When
CDtype is N (Codabar), the length of barcodedata must be three dig-
its or more including start and stop characters. If not,
CHKDGT$ returns a null
string.
- To check that the CD is correct:
Pass a CD-suffixed
barcodedata to a CHKDGT$ as shown below. If the
returned value is equal to the CD, the CD data is suitable for the
barcodedata.
Sample coding:
IF CHKDGT$("a0123-a","N")="-"
THEN...
- To add a CD to barcode data:
Pass
barcodedata followed by a dummy character and enclosed with start and
stop characters, to a
CHKDGT$ as shown below. The returned value will become
the CD to be replaced with the dummy character.
Sample coding:
ld%=LEN("a0123a")
PRINT LEFT$("a0123a",ld%-1)+CHKDGT$
("a01230a","N")+RIGHT$("a0123a",1)
Run-time errors:
Reference:
Error code Meaning
05h
Parameter out of the range
(
CDtype is out of the range.)
Statements:
OPEN "BAR:"
a0123-a