ProvideX V8.20 > Language Reference > 4. System Variables

558

ERR System Variable

    Last System-Detected Error Value

Numeric System Variable

Contents

Integer, last system-detected error code.

Description

The ERR variable contains a numeric value (integer) that indicates the last

system-detected error. It is reset by the BEGIN, CLEAR, END, RESET, STOP, and

START directives. See Error Codes and Messages, p.833, for a complete list of codes.

Examples

In the following example, the "TEST" file is already open:

0100 OPEN (5)"TEST"

Error #14: Invalid I/O request for file state

->?ERR

14

See Also

ERR( ) Function, p.425

DEF sysvar= Define System Variables, p.75

ERS System Variable

         Line Number of Last Error

Numeric System Variable

Contents

Integer, line number that generated last error.

Description

This ERS variable contains the line number that generated the last error detected in

the program.

Examples

0030?LET X$="" PRINT "Reset"

Error #20: Syntax error

1>RUN

0030?Let X$="" print "Rest"

Error #20: Syntax error

->?ERS

30

> EDIT 30