_FILEEXISTS - QB64 Wiki

_FILEEXISTS

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The _FILEEXISTS function determines if a designated file name exists and returns true (-1) or false (0).


Contents

Syntax

theFileExists% = _FILEEXISTS(filename$)


Description

  • The filename$ parameter can be a literal or variable string value that can include a path.
  • The function returns -1 when a file exists and 0 when it does not.
  • The function reads the system information directly without using a SHELL procedure.
  • The function will use the appropriate Operating System path separators. _OS$ can determine the operating system.
  • This function does not guarantee that a file can be accessed or opened, just that it exists.


Examples

Example: Checks if a file exists before opening it.

IF _FILEEXISTS("mysettings.ini") THEN PRINT "Settings file found." END IF


See also



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