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| − | (Byte) Filenumber, which identifies an opened file | + | (Byte) Filenumber, die which identifies an opened file |
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Revision as of 07:21, 1 March 2013
Contents |
Funktion
Gibt die Länge einer Datei in Bytes zurück.
Syntax
lFileLength = LOF (#bFileNumber)
Anmerkungen
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bFileNumber |
(Byte) Filenumber, die which identifies an opened file |
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LFileLength |
(Long) Variable, which assigned with the Length of the file (1-based) |
This function returns the length of an opened file. If an error occurs, 0 is returned. Check DOS-Error in variable gbDOSError.
See also
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
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Calls |
_FileLOF |
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Input |
r24: filenumber |
X: Pointer to Long-variable, which gets th result |
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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
| Languages | English • Deutsch |
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