f$FileWriteHex (f$DateiSchreibeHex)
f$FileWriteHex (f$DateiSchreibeHex)
Insert a binary value in the file previously opened for writing. This function is only useful if the file was opened in binary format (letter b). The value to be written is entered as a hexadecimal string of any length.
Syntax: | Status = f$FileWriteHex ( FileNo , Hexstring ) | ||
| Argument | Type | Meaning |
| FileNo | Integer | File number |
| Hexstring | String | Value to be written into the file in hexadecimal form |
Result: | Integer | 0: successfully written < 0 indicates an error | |
Example: | File name = 'c:\\temp\\testh.dat' f$FileRemove( Filename ) FileNo = f$FileOpen( Filename, 'wb' ) Status = f$FileWriteHex (FileNo, 'F000FF000D0A' ) Status = f$CloseFile( FileNo ) | ||