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import com.zerog.ia.api.pub.*;
import java.util.*;
public class ShowAllVars extends CustomCodeAction
{
public void install(InstallerProxy ip) throws InstallException
{
System.out.println("InstallAnywhere variables:");
Enumeration vars = ip.getVariables( );
while (vars.hasMoreElements( ))
{
String var = (String)vars.nextElement( );
// when using substitute, add dollar signs around variable
// name to ensure the value is extracted
System.out.println("\t" + var + "=" +
ip.substitute("$"+var+"$"));
}
}
// ...omitting uninstall, getInstallStatusMessage, and
// getUninstallStatusMessage methods...
}

After compiling the code, place the class file in a .zip file or .jar file, after which you can execute the code using an Execute Custom Code action. After building the installer, you can run it in debug mode (holding down the Ctrl key while launching the installer on Windows, for example) to see the list of variables and values displayed in the console or command prompt:

 
DOLLAR=$
CHOSEN_INSTALL_BUNDLE_NUM=2
DESKTOP=C:\Documents and Settings\Rd\Desktop
prop.path.separator=;
lax.version=9.5
lax.nl.env.exact_case.PROCESSOR_ARCHITECTURE=x86
OVERWRITE_IA_CHMOD=false
PROGRAMS_DIR_32=C:\Program Files
prop.sun.boot.library.path=C:\Program Files\Java\jre1.6.0_07\bin
prop.java.vm.specification.version=1.0
USER_HOME=C:\Documents and Settings\Rd
INSTALL_DRIVE_ROOT=C:\
prop.os.version=5.1
prop.file.encoding=Cp1252
CHOSEN_INSTALL_SET=Typical
 

The entries that begin with ?lax.nl.env? are system environment variables, and the other entries beginning with ?lax? are LaunchAnywhere settings. The entries beginning ?prop? are Java system properties, and the rest of the settings are InstallAnywhere variables.

Additional Information