LOF/de

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[[INITFILESYSTEM]] , [[OPEN]] , [[CLOSE]], [[FLUSH]] , [[PRINT]], [[LINE INPUT]], [[LOC]], [[EOF]] , [[FREEFILE]] , [[FILEATTR]] , [[SEEK]] , [[BSAVE]] , [[BLOAD]] ,[[KILL]] , [[DISKFREE]] , [[DISKSIZE]] , [[GET]] , [[PUT]] , [[FILEDATE]] , [[FILETIME]] , [[FILEDATETIME]] , [[DIR]] , [[FILELEN]] , [[WRITE]] , [[INPUT]]
 
[[INITFILESYSTEM]] , [[OPEN]] , [[CLOSE]], [[FLUSH]] , [[PRINT]], [[LINE INPUT]], [[LOC]], [[EOF]] , [[FREEFILE]] , [[FILEATTR]] , [[SEEK]] , [[BSAVE]] , [[BLOAD]] ,[[KILL]] , [[DISKFREE]] , [[DISKSIZE]] , [[GET]] , [[PUT]] , [[FILEDATE]] , [[FILETIME]] , [[FILEDATETIME]] , [[DIR]] , [[FILELEN]] , [[WRITE]] , [[INPUT]]

Revision as of 07:26, 1 March 2013

Contents

Funktion

Gibt die Länge einer Datei in Bytes zurück.

 

 

Syntax

lFileLength = LOF (#bFileNumber)

 

 

Anmerkungen

bFileNumber

(Byte) Filenummer mit der die geöffnete Datei identifiziert wird.

LFileLength

(Long) Variable der die Länge der Datei zugewiesen wird(1-based)

 

Diese Funktion gibt die Länge einer geöffneten Datei zurück. Trat ein Fehler auf, ist der Rückgabewert 0. Überprüfen Sie den DOS-Fehler in der Variable gbDOSError.  

 

Siehe auch

INITFILESYSTEM , OPEN , CLOSE, FLUSH , PRINT, LINE INPUT, LOC, EOF , FREEFILE , FILEATTR , SEEK , BSAVE , BLOAD ,KILL , DISKFREE , DISKSIZE , GET , PUT , FILEDATE , FILETIME , FILEDATETIME , DIR , FILELEN , WRITE , INPUT

 

 

ASM

Calls

_FileLOF

 

Input

r24: filenumber

X: Pointer to Long-variable, which gets th result

Output

r25: Errorcode

C-Flag: Set on Error

 

 

Example


'open the file in BINARY mode
Open "test.biN" For Binary As #2
Put #2 , B ' write a byte
Put #2 , W ' write a word
Put #2 , L ' write a long
Ltemp = Loc(#2)+ 1 ' get the position of the next byte
Print Ltemp ;" LOC"' store the location of the file pointer
Print Lof(#2);" length of file"
Print Fileattr(#2);" file mode"' should be 32 for binary
Put #2 , Sn ' write a single
Put #2 , Stxt ' write a string
 
Flush #2 ' flush to disk
Close #2

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