File Management

Article
06/18/2008

These commands and functions manage and manipulate disk files.

Use	To
ADDBS( ) Function	Add a backslash to a path expression.
ADIR( ) Function	Place information about files into an array and then return the number of files.
CD \| CHDIR Command	Change the default Visual FoxPro directory to the directory you specify.
CLOSE Commands	Close various file types.
COPY FILE Command	Duplicate any type of file.
CREATE VIEW Command	Create a view file from the Visual FoxPro environment.
CURDIR( ) Function	Return the current directory.
DEFAULTEXT( ) Function	Return a file name with a new extension if one does not already exist.
DELETE FILE Command	Delete a file from a disk.
DIR or DIRECTORY Command	Display information about the files in a directory.
DISPLAY FILES Command	Display information about files.
DISKSPACE( ) Function	Return the number of bytes available on the default or specified disk drive or volume.
DO Command	Execute a Visual FoxPro program or procedure.
DRIVETYPE( ) Function	Return the type of the specified drive.
EDITSOURCE( ) Function	Open the Visual FoxPro editor and, optionally positions the cursor.
ERASE Command	Erase a file from disk.
FDATE( ) Function	Return the last modification Date or DateTime for a file.
FTIME( ) Function	Return the last modification time for a file.
FILE( ) Function	Locate the specified file.
FILETOSTR( ) Function	Return the contents of a file as a character string.
FLUSH Command	Save table and index changes to disk.
FORCEEXT( ) Function	Return a string with the old file name extension replaced by a new extension.
FORCEPATH( ) Function	Return a file name with a new path name substituted for the old one.
FULLPATH( ) Function	Return the path to a specified file or the path relative to another file.
GETFILE( ) Function	Display the Open dialog box and returns the name of the file you chose.
GETPICT( ) Function	Display the Open Picture dialog box and return the name of the picture file you chose.
ISNULL( ) Function	Return true (.T.) if an expression evaluates to a null value; otherwise, ISNULL( ) returns false (.F.).
JUSTDRIVE( ) Function	Return the drive letter from a complete path.
JUSTEXT( ) Function	Return the file name portion of a complete path and file name.
JUSTFNAME( ) Function	Return the file name portion of a complete path and file name.
JUSTPATH( ) Function	Return the path portion of a complete path and file name.
JUSTSTEM( ) Function	Return the stem name (the file name before the extension) from a complete path and file name.
LIST Commands	Display table or environment information without pausing the main Visual FoxPro or user-defined window.
LOCFILE( ) Function	Locate a file on disk and returns the file name with its path.
MD \| MKDIR Command	Create a new directory or subdirectory on disk.
MODIFY COMMAND Command	Open an editing window so you can modify or create a program file.
MODIFY FILE Command	Open an editing window so you can modify or create a text file.
NVL( ) Function	Return a non-null value from two expressions.
OPEN DATABASE Command	Opens a database.
PUTFILE( ) Function	Invoke the Save As dialog box and return the file name you specify.
RD \| RMDIR Command	Remove a directory or folder from disk.
RENAME Command	Change the name of a file to a new name.
SET ALTERNATE Command	Direct screen or printer output created with ?, ??, DISPLAY, or LIST to a text file.
SET DEFAULT Command	Specify the default drive and directory.
SET FULLPATH Command	Specify if CDX( ), DBF( ), MDX( ), and NDX( ) return the path in a file name.
SET PATH Command	Specify a path for file searches.
SET SAFETY Command	Display a dialog box before overwriting an existing file, or evaluate table or field rules, default values, and error messages when changes are made in the Table Designer or with ALTER TABLE.
SET VIEW Command	Open or close the Data Session window or restores the Visual FoxPro environment from a view file.
STRTOFILE( ) Function	Write the contents of a character string to a file.
SYS(3) - Legal File Name	Return a legal file name that can be used to create temporary files.
SYS(2000) - File Name Wildcard Match	Return the name of the first file in alphabetic order by file name and extension, that matches a file name skeleton.
SYS(2014) - Minimum Path	Returns the minimum path relative to the current or specified directory for a specified file.
TYPE Command	Display the contents of a file.

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