This listener does provide the information needed by the ChmodInstallerListener. During compilation of the installer it reads the <additionaldata> from the xml and writes it into the installer.
For this purpose, you must apply the nested <additionaldata> element to a pack's <file>, <fileset> or <singlefile>.
|key||An action key to apply|
|value||A value to the above action key for specifying how to apply the particular action.|
If the value begins with "0", it is interpreted an an octal number,