ERL

From QB64 Phoenix Edition Wiki
Jump to navigation Jump to search

The ERL function returns the closest previous line number before the last error.


Syntax

lastErrorLine& = ERL


Description

  • Used in an error handler to report the last line number used before the error.
  • If the program does not use line numbers, then ERL returns 0.
  • Use _ERRORLINE to return the actual code line position of an error in a QB64 program.


Examples

Example: Using a fake error code to return the line number position in a program.

ON ERROR GOTO errorfix
1
ERROR 250
ERROR 250

5 ERROR 250

END
errorfix:
PRINT ERL
RESUME NEXT
1
1
5


See also



Navigation:
Main Page with Articles and Tutorials
Keyword Reference - Alphabetical
Keyword Reference - By usage