ECHO OFF
CLS
IF %1x==x GOTO NODRIVE
IF %2x==x GOTO NODRIVE
IF %1x==%2x GOTO NODRIVE
GOTO YESDRIVE

:NODRIVE
ECHO.
ECHO      This routine is for installing `Personal CHEMCOM' on a
ECHO      HARD disk.  If you DO NOT have one, then you will not be
ECHO      able to use this software.  Sorry, but the floppy drive
ECHO      installation version is no longer being distributed.
ECHO      Once installed on your hard disk, however, the program
ECHO      files could be copied to and the program operated from a
ECHO      3.5" floppy disk.
ECHO.
ECHO      The `Personal CHEMCOM' installation routine requires that
ECHO      you specify two drives.  You must specify the drive you are
ECHO      at now and the hard drive where you want it installed.
ECHO      It must be either the C or D hard drive.
ECHO .
ECHO      For example, INSTALL A: C:  . . . Please try again.
GOTO END

:YESDRIVE
ECHO .
ECHO .
ECHO      This routine is for installing `Personal CHEMCOM' on a C or D
ECHO      hard disk.  If you do not want to do this at this time,
ECHO      then press the "Ctrl" + "Break" keys together and then "Y"
ECHO      to stop this batch file.  Sorry, but the floppy drive
ECHO      installation version is no longer being distributed.
ECHO      Once installed on your hard disk, however, the program
ECHO      files could be copied to and the program operated from a
ECHO      3.5" floppy disk.
ECHO .
ECHO Otherwise . . .
ECHO .
PAUSE
CLS
GOTO TRY1

:TRY1
ECHO OFF
CLS
IF EXIST %1PCC1.EXE GOTO COPY1
ECHO.
ECHO.
ECHO       The disk in Drive %1 is NOT the CHEMCOM disk.  Insert proper disk and ...
ECHO.
ECHO.
PAUSE
GOTO TRY1

:COPY1
CD C:\
IF %2==C: GOTO CBAT
IF %2==c: GOTO CBAT
GOTO DBAT

:CBAT
COPY %1PCCC.TXT C:\PCC.BAT
GOTO UPNEXT

:DBAT
COPY %1PCCD.TXT C:\PCC.BAT
GOTO UPNEXT

:UPNEXT
%2
MD %2\CHEMCOM
CD %2\CHEMCOM
CLS
ECHO OFF
ECHO .
ECHO    Note:  Although `Personal CHEMCOM' is being loaded into a
ECHO           subdirectory called CHEMCOM, you will be able to start
ECHO           the program without changing directories simply by
ECHO           typing PCC and pressing the Enter key.
ECHO .
PAUSE
CLS
ECHO .
ECHO.
ECHO    Please wait while loading the program files . . .
ECHO.
ECHO.

COPY %1*.* %2

ECHO.
PCC1
ECHO.
PCC2
ECHO.
ECHO.
CD\
C:
CD\
CLS
ECHO.
ECHO.
ECHO.
ECHO.
ECHO.
ECHO.
ECHO      That is it!!!  You're finished.  Now place your ORIGINAL
ECHO      `Personal CHEMCOM' disk away and use your hard drive copy
ECHO      to calculate downwind chemical exposures from accidental
ECHO      releases from chemical processing plants.
ECHO .
ECHO      Refer to the operating instructions for more details on
ECHO      how to use `Personal CHEMCOM'.
ECHO.
ECHO.
GOTO END
:END