Special variables
Some variables have a hard coded meaning. They begins and ends with
__. Here is the list:
__subdir__: the result will be placed is a subdirectory of the output directory. The value can contain the following strings:{fid} = file ID
{parent} = name of the parent directory
__no_cache__: no cache is used.__no_check__: no XML or ePub file is executed but forced ones.__no_remove__: temporary files are kept.__zip__: the result is compressed in one ZIP file. if__zip__contains a., it is used as an extension. In this case, you can use{timestamp}for time stamping your archive.__assembly__: the cioset file is interpreted as an assembly.__resources__: the value is comma separated pathes of resource directories. These are used as a priority. The value can use the following string:{fpath} = path of current file
__template__: it defines a directory containing templates for the processor. This value overrided default value. It matches the following pattern:<id>:<path>. Ex: sandbox:Templates
You can use variables to manage breakpoints in your process. We recommend to
call this kind of variable __breakpointX__ where X is the number of the
break point.