File Methods

The methods defined in the File class are summarized in the following table.

Method	Description
close	Closes an open file
commit	Commits any outstanding updates that have been cached in memory to the file
currentOffset	Returns the current offset as an Integer value (in file units)
currentOffset64	Returns the current offset as an Integer64 value (in file units)
currentOffsetDec	Returns the current offset as a Decimal value (in file units)
endOfFile	Returns true if the end of the file has been reached
errorCode	Returns the last operating system error code as an integer value
extractSort	Sorts the contents of the file into the specified sort order
fileLength	Returns the size of the file as an Integer value (in file units)
fileLength64	Returns the size of the file as an Integer64 value (in file units)
fileLengthDec	Returns the size of the file as a Decimal value (in file units)
isAvailable	Returns true if the specified file is available
isOpen	Returns true if the specified file is currently open
lastAccessed	Returns the TimeStamp of the last access of the file
lastModified	Returns the TimeStamp of the last modification of the file
open	Opens the file
openInput	Opens the file for input
openOutput	Opens the file for output
peek	Returns the file record at the specified position
purge	Deletes the file and its contents from disk
readBinary	Returns the specified number of bytes from the current file offset
readLine	Returns the next line in the file
readString	Returns the specified number of characters from the file
rename	Changes the name of the file
seek	Repositions the file pointer at a specified Integer offset from the beginning of the file
seek64	Repositions the file pointer at a specified Integer64 offset from the beginning of the file
seekDec	Repositions the file pointer at a specified Decimal offset from the beginning of the file
timeCreated	Returns the TimeStamp of the date and time at which the file was created
tryOpen	Opens the file and returns true if successful
writeBinary	Writes the specified number of bytes to the file
writeLine	Writes the specified line to the file
writeString	Writes the specified string to the file