{ RS> Can anyone tell me where to find some source dealing with archive RS> detection? I need to be able to determine what archival method was used RS> on a file regardless of the extension.. Yep. BTW: I cut it out of a source I made it for. I should compile as is. you might have to "USES" dos and/or CRT. ----------------------------= CUT HERE =------------------------------------- } Type ArchiveType = (ARJ,ZIP,UC2,LZH,UNKNOWN); Function GetArchiveType (Name : String) : Archivetype; Var F : File; Buf: Word; StrBuf : String [3]; Begin GetArchiveType := UNKNOWN; Assign (F,Name); FileMode := 0; Reset (F,1); If IoResult <> 0 Then Begin Write ('Unable to access file - '); WriteLn (Name); Exit; End; BlockRead (F,Buf,2); If Buf = $EA60 Then Begin GetArchiveType := ARJ; Close (f); Exit; End; If Buf = $4b50 Then Begin GetArchiveType := ZIP; Close (f); Exit; End; If Buf = $4355 Then Begin GetArchiveType := UC2; Close (f); Exit; End; BlockRead (F,StrBuf[1],3); StrBuf[0] := #3; If StrBuf = '-lh' Then Begin GetArchiveType := LZH; Close (f); Exit; End; End;