Metrologic IS1000 Series Betriebsanweisung PDF herunterladen (Seite 172)

166

CipherLab BASIC Compiler

User's Guide

Syntax

A$ = READ

A$ = READ(file%)

Remarks

"A$" is a string variable to be assigned to the result; it may be the desired data string

if the command is successfully processed.

Otherwise, it may have one of the values as follows:

Value Meaning

OVER

NAK

There is no data in the transaction file.

Any format error occurs.

The READ command will read the top most record of the first transaction file,

which is the default one.

"N%" is an integer variable in the range of 1 to 6, indicating of which transaction

file the record is to be read.

Example

READ1 ' to read a record from the first

transaction file

REMOVE

Purpose

To delete one record from the top of a specified transaction file.

Syntax

A$ = REMOVE

A$ = REMOVE(file%)

Remarks

"A$" is a string variable to be assigned to the result.

Value Meaning

OVER

NAK

The command is processed successfully.

There is no more data.

Any format error occurs.

The REMOVE command will delete one record from the top of the first transaction

file, which is the default one.

"N%" is an integer variable in the range of 1 to 6, indicating of which transaction

file the record is to be deleted.

Example

REMOVE2 ' to delete a record from the 2nd

transaction file

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Metrologic IS1000 Series Betriebsanweisung Seite 172