echo off
cls
rem --- make sure the user specified valid drive letter (we allow C to F).
if %1a == a goto noDriveSpecified
if %1 == c: goto begin
if %1 == C: goto begin
if %1 == d: goto begin
if %1 == D: goto begin
if %1 == e: goto begin
if %1 == E: goto begin
if %1 == f: goto begin
if %1 == F: goto begin
goto notOnThatDrive
:begin

echo ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
echo º                                                                      
echo º		     Makemstr Installation				    
echo º                                                                       
echo º This will create a directory called %1\BIN on your hard disk,       
echo º and will install PERL in that directory.				     
echo º It will also install makemstr.bat in that directory.			     
echo º If you don't want to install right now, press Ctrl-Break.    	     
echo º                                                                       
echo º Add \BIN to your path by editing your autoexec.bat file               
echo º and adding a line like this...                                        
echo º SET PATH=%PATH%;C:\BIN                                                                     
echo ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ
pause

cd %1
rem --- make sure drive A contains the program disk ---
:1
if exist a:\install.bat goto 2
echo 
echo Insert the makemstr Program Disk in drive A.
pause
goto 1
:2

rem --- create \bin on the current drive.
if exist %1\bin\*.* goto 3
echo 
echo Creating directory %1\bin...
md %1\bin
:3

rem --- copy all files ---
echo 
echo Copying makemstr files...
copy a:perlzip.exe %1\bin
md %1\bin\lib
copy a:perllib.exe %1\bin\lib
cd %1\bin
%1\bin\perlzip.exe
cd %1\bin\lib
%1\bin\lib\perllib.exe
copy a:*.txt %1\bin
copy a:*.bat %1\bin
if not exist %1\bin\install.bat goto installationError

rem --- installation was successful!
:installDone
cd %1\bin
echo 
echo Makemstr is now installed on your hard disk.
%1
goto done

rem --- user didn't specify a drive letter followed by a colon.
:noDriveSpecified
echo 
echo Installation Error:  To install Makemstr on your hard disk, you
echo must specify the drive to install Makemstr onto.  For example,
echo to install Makemstr on drive C, type "INSTALL C:" and press Enter.
goto errorDone

rem --- user specified invalid drive letter.
:notOnThatDrive
echo 
echo Installation Error: The hard drive letter must be a letter from C to F,
echo and must be followed by a colon.  For example, "INSTALL C:" will install
echo Makemstr on drive C.
goto errorDone

rem --- general installation error.
:installationError
echo 
echo Installation Error: Perhaps there isn't enough space on your hard disk.
echo Makemstr installation requires at least 360k free space.
goto errorDone

rem --- goto here after an error is detected, to print a message and exit.
:errorDone
echo 
echo Makemstr was not installed correctly.
:done