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	StartSf
	ReadFilef
	WriteFilef
	Readf
	Writef
	Closef
	Deletef
	Sizef
	Agef
	linesf
	readlinef
	resetf
	renamef
	Disksizef
	Diskfreef
	Search

findf
nextf
restartf

findsizef

Commands:
Startsf- This command will start the dll put this at the top of your code.
Startsf

Readfilef- This command will do the same as open to read in dbpro file set
Readfilef filename$, filenumber

Writefilef- This command will do the same as the open to write command in dbpro
Writefilef filename$, filenumber

Readf- This command will read each line in tern every time the command is called
A$=Readf(1)

Writef- This command will write a line to the file
Writef String$, Filenumber

Closef- This command will close a file already open
Closef filenumber

Deletef- This command will delete a file (file must not be open)
Deletef filename$  

Sizef- This will return the size of a currently open file
A=Sizef(Filenumber)

Agef- This will return the age when the file was fist made
A$=AgeF(Filename$)

Linesf- This will return the number of lines in the file
A=Linesf(Filenumber)

Readlinef- Will return the string at a line number
A$=Readlinef(Filenumber, Linenumber)

 Resetf- Will but the file back to the start after reading
Resetf Filenumber

Renamef- will rename a file from a file number file must be open and it will be    closed after you use this command
Renamef Filenumber, Newfilename$

Disksizef- will return the size of a hard disk on the computer if there is no hard disk it will return 0
A=disksizef(“c”)
Diskfreef- this returns the free space of a selected disk no hard disk it will return 0
A=diskfreef(“c”)

Search- this will look for a file in up to 5 directories in one go
A$=Search(filename$, dir$) or
( filename$, dir$, dir1$) or
( filename$, dir$, dir1$, dir2$) or
( filename$, dir$, dir1$, dir2$, dir3$) or
( filename$, dir$, dir1$, dir2$, dir3$, dir4$)

Findf- will find the first file in any dir you can refine it so it will look for start letters and/or end extensions. E.g. a$=findf(“s*.*”,”d:/”)
A$=Findf(Filename, Dir)

Nextf- will give you the next file after the first file found with findf
A$=nextf()

Restartf- will put the search back to the start so you can look again however you will need findf after this command to do so.
Restartf

FindSizef- will return the size of the file found with findf or nextf
A=FindSizef()

Extensionchangef- will change the extension of a file (file must not be open)
Extensionchangef Oldfilename, Newextension