GNUplot
From WPKG | Open Source Software Deployment and Distribution
This is a silent installer and uninstaller for GNUplot.
<check type="file" condition="exists" path="c:\program files\gnuplot\wgnupl32.exe" /> <install cmd='%WINDIR%\system32\cmd.exe /c if not exist "%ProgramFiles%" mkdir "%ProgramFiles%"' /> <install cmd='%WINDIR%\system32\cmd.exe /c if not exist "%ProgramFiles%\gnuplot" mkdir "%ProgramFiles%\gnuplot"' /> <install cmd='%WINDIR%\system32\cmd.exe /c xcopy %SOFTWARE%\gp373w32\* "%ProgramFiles%\gnuplot" /s /r /y' /> <install cmd='%WINDIR%\system32\cmd.exe /c if not exist "C:\Documents and Settings\All Users\Start Menu\Programs\GNUplot.lnk" copy %SOFTWARE%\gp373w32\gnuplot.lnk "%AllUsersProfile%\Start Menu\Programs\GNUplot.lnk"' /> <install cmd='%WINDIR%\system32\cmd.exe /c if not exist "C:\Documents and Settings\All Users\Start Menu\Programs\GNUplot help.lnk" copy %SOFTWARE%\gp373w32\gnuplot.lnk "%AllUsersProfile%\Start Menu\Programs\GNUplot help.lnk"' /> <remove cmd='%WINDIR%\system32\cmd.exe /c rd /s /q "%ProgramFiles%\gnuplot"' /> <remove cmd='%WINDIR%\system32\cmd.exe /c del /f /q "%AllUsersProfile%\Start Menu\Programs\GNUplot help.lnk"' /> <remove cmd='%WINDIR%\system32\cmd.exe /c del /f -q "%AllUsersProfile%\Start Menu\Programs\GNUplot.lnk"' /> <upgrade cmd="" /> </package>