File Commands

The following functions can be used to manipulate files, standard I/O and disk services:

CHDIR	Change the current (default) directory on a given drive.
CHDRIVE	Change the current default drive.
CLOSE	Conclude I/O (input/output) to/from a file or device.
CURDIR$	Return the current directory for a given drive.
DIR$	Return a filename that matches the given mask.
DIR$ CLOSE	Force the release the operating system FindNext handle.
DISKFREE	Return the amount of available space of a disk, in bytes.
DISKSIZE	Return the total amount of space on a disk, in bytes.
EOF	Return end-of-file status of a file, serial or TCP/UDP transmission.
EXE	Return the path and/or name of the executing program.
FIELD	Bind a field string variable to a particular sub-section of a random file buffer or a dynamic string variable.
FIELD RESET	Reset the FIELD string to a nul (zero-length) dynamic string.
FIELD STRING	Change the FILED string to a dynamic string, but first assigns the current sub-section data to it.
FILEATTR	Return information about an open file.
FILECOPY	Copy a file.
FILENAME$	Return the file-system name of an open file.
FILESCAN	Rapidly scan a INPUT or BINARY file to obtain string size info.
FLUSH	Flush file buffers to disk to ensure the disk information is current.
FREEFILE	Return the next available PowerBASIC file number.
GET	Read a record from a random-access file.
GET$	Reads an ANSI string from a file opened in binary mode.
GET$$	Reads WIDE string data from a file opened in binary mode.
GETATTR	Return the file-system attribute(s) of a disk file or directory.
INPUT#	Load variables with data from a sequential file.
ISFILE	Determine whether or not a file exists.
ISFOLDER	Determine whether or not a folder exists.
KILL	Delete a disk file.
LINE INPUT#	Read line(s) from a sequential file into a string variable or array.
LOC	Determine the current seek position in an open disk file.
LOCK	Lock part or all of an open file for exclusive access.
LOF	Return the length of an open disk file.
MKDIR	Create a subdirectory/folder (like the DOS MKDIR command).
NAME	Rename a file or a directory (like the DOS REN command).
OPEN	Prepare a file or device for reading or writing.
PATHNAME$	Parse a path/file name to extract component parts.
PATHSCAN$	Find a file on disk and return the path and/or file name parts.
PRINT#	Write data to a device or sequential file.
PROFILE	Create a file containing the time profile of Subs, Functions, Methods, and Properties.
PUT	Write a record to a random-access file or variable to a binary file.
PUT$	Writes an ANSI string to a file opened in binary mode.
PUT$$	Writes a WIDE Unicode string to a file opened in binary mode.
RMDIR	Delete a disk directory (like the DOS RMDIR command).
SEEK	File location where the next I/O operation will take place.
SEEK	Set the position in a file for the next input or output operation.
SETATTR	Set the file system attribute(s) of a disk file or directory.
SETEOF	Truncate/extend a file to its current file pointer position.
SHELL	Run an executable program asynchronously.
SHELL	Run an executable program synchronously.
UNLOCK	Remove exclusive-access locks placed on a file.
WRITE#	Output data to a sequential file in a delimited format.