hello everyone

How can i know the header of a file...for e.g.: BMP files have BM(66)or (77),Exe files have MZ (77) or (90)..etc...

any sites ?? codes ?? please help....

Is sheader() using for the above thing ??

please reply,
siddhs

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Are you referring to the first code in the file?

Well, other than checking the extension, which would give a pretty good idea without anything else. You could open the file for reading, and just check the first character for a match. (open the file as binary).

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Try this, but be aware that not all file formats have a two char identifier in the beginning of the file.

Private Sub CheckHeader() Dim sHeader As String * 2 ' Force to 2 chars in length Dim ff As Integer              ' Use FreeFile.  Using #1 for all your file input is BAD :p ff = FreeFile Open "C:\fake.exe" For Binary Access Read As #ff Get #ff, , sHeader Close #ff MsgBox "Header chars are: " & sHeader, vbInformation Or vbOkOnly, "Result" End Sub

open desired file and read it's first 2 bytes from header of file.
and check it whit "IF"

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