QB64-website/wiki/FREEFILE.md

The FREEFILE function returns a LONG value that is an unused file access number.

Syntax

fileHandle& = FREEFILE

Description

• FREEFILE values should be given to unique variables so that each file has a specific variable value assigned to it.
• Once the number is assigned in an OPEN statement, the file number can later be used to read, write or CLOSE that file.
• File numbers CLOSEd are made available to FREEFILE for reuse immediately.
• FREEFILE returns are normally sequential starting with 1. Only file numbers in use will not be returned.
• OPEN each file number after each FREEFILE return or the values returned may be the same.

See Also

• GET, PUT, CLOSE