CipherLab 8 Series User Manual (English)

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164

CipherLab BASIC Programming Part I

UPDATE_RECORD

Purpose

To update the record, which the file pointer of a specified DBF and IDX files is

pointing to.

Syntax UPDATE_RECORD(file%, index%, data$)

Remarks “file%

” is an integer variable in the range of 1 to 5, indicating which DBF file to

be accessed.

“index%

” is an integer variable in the range of 1 to 3, indicating which IDX file

to be accessed. If it is not specified, the default IDX file which keeps the

original data sequence will be used.

“data$” is a string variable, representing the ch

aracter string to replace the old

data.

Example

ON COM(1) GOSUB HostCommand

…

HostCommand:

Cmd$ = READ_COM$(1)

CmdIdentifier$ = LEFT$(Cmd$, 1)

DBFNum% = VAL(MID$(Cmd$, 2, 1))

IDXNum% = VAL(MID$(Cmd$, 3, 1))

CardID$ = RIGHT$(Cmd$, LEN(Cmd$)-3)

IF CmdIdentifier$ = “&” THEN

UPDATE_RECORD(DBFNum%, IDXNum%, CardID$)

ELSE

…

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CipherLab 8 Series Specifications

General