Difference between revisions of "ReadFileByte"

Revision as of 13:23, 4 July 2011

Definition

function ReadFileByte(FileNum: Integer; var b: Byte): Boolean;

Availability

SCAR Divi 3.00 > Current

Description

Reads a byte from an open file stream associated with the index FileNum in the file stream resource manager and returns it in b. Returns false if the reading failed or the index FileNum is invalid. The file stream should have been created with OpenFile.

Example

var
  f: Integer;
  b: Byte;

begin
  f := Rewritefile(LogsPath + 'Test.txt', False);
  WriteFileByte(f, 127);
  CloseFile(f);

  f := OpenFile(LogsPath + 'Test.txt', False);
  ReadFileByte(f, b);
  WriteLn(b);
  CloseFile(f);

  DeleteFile(LogsPath + 'Test.txt');
end.

Output:

127

See Also

• WriteFileByte
• OpenFileString
• OpenFileInt
• OpenFile
• CloseFile