errclear

error clearing

Calling Sequence

errclear([n])

Description

clears the action (error-handler) connected to error of type n.

If n is positive (n > 0), it is the number of the cleared error ; otherwise if (n <= 0) all errors are cleared (default case).

Examples

a = 1;
      b = undefinedvariable + a;
      `lasterror`_()
      b = undefinedvariable + a;
      errclear()
      `lasterror`_()
      b = undefinedvariable + a;
      errclear(5)  // error 4 always as last error
      `lasterror`_()
      b = undefinedvariable + a;
      errclear(4)
      `lasterror`_()

See Also

• errcatch error trapping
• iserror error occurrence test
• lasterror get last recorded error message