IOResult

Return result of last file operation.

Declaration

Function IOResult : Word;

Description

IOResult returns the result of the last file operation. If the return value is zero, the operation was successful. If non-zero, an error occurred. This function clears the result.

Following is a list of the possible values:

Value	Description
0	No error
2	File not found
4	Too many open files
7	Invalid filename
102	File not assigned
103	File not open
104	File not open for input
105	File not open for output
106	File currently open
150	Disk is write protected
152	Drive not ready

Example

Program example;

Var
    fh : File Of Integer;

Begin
    Assign(fh, 'bad*filename');  // Filename cannot contain '*'
    Writeln('IOResult = ', IOResult);  // writes 'IOResult = 7'
End.