@Echo Off
  Cls
  Echo *====================[ ELF Install Program ]==========================*
  Echo .ÿ
  If [%1] == [] GoTo :usage
  If [%2] == [] GoTo :usage
  If Not Exist %1\unzip.exe GoTo baddrive
  If Not Exist %2\nul GoTo baddir
  Echo This program will extract files from the ELF archive. All ELF files will be
  Echo extracted from ELF.ZIP on %1 to %2 on your hard drive.
  Echo .
  Echo Press any key to continue or CTRL-C to quit now.
  Echo .
  Pause > nul
:OK
  Echo .
  Echo Extracting ELF files...
  %1\unzip /P %2 /- %1\*.zip
  Echo .
  Echo Done
  Echo .
  Echo Make sure that the directory %2 in on your AutoCAD library path by
  Echo editing the SET ACAD= statement in your ACAD386.BAT file 
  Echo (eg SET ACAD=C:\ACAD\SUPPORT;%2).
  Echo %2 MUST be included in that list of directories for ELF to
  Echo operate properly.
  Echo .
  Echo Enter (load"DEMO") once in AutoCAD to run the ELF demonstration.
  Echo .
  Echo If you have registered ELF, then enter PASSWORD from the AutoCAD Command:
  Echo prompt to add your password and remove the delay screen.
  Echo .
  GoTo End
:BADDIR
  Echo Error: %2 is not a valid directory.
  GoTo usage
:BADDRIVE
  Echo Error: the file UNZIP.EXE can Not be found on drive %1
:USAGE
  Echo .
  Echo In order for Install to work properly you must provide both the
  Echo floppy drive and your ELF directory:
  Echo If you wish to create a new directory enter MD %2 then rerun install
  Echo .
  Echo Usage: INSTALL A: C:\ELF
:END