What is an exception file?
An exception file is an addendum to a specification file. It specifies additional parameters for specific patterns. For example, continuing the previous example, your specification file comes up with the following jobs: Beta Gamma Zippo Groucho You have already provided input/output information for these jobs in the specification file and command-line flags. However, you may need to further fine-tune Zippo and Groucho (perhaps you want them to run on specific hosts or use a special input file). You can name these two jobs in an exception file and provide any additional instructions. For example: Zippo -h /hosts/special_host_name Groucho -v -IN /tmp/myJob/ExtraStuff NOTE! These instructions are passed to legion_run or whichever command you have specified (with the -e flag). You are essentially providing extra command-line instructions for a particular job. The syntax in the exception file must be legal for that command and for that host. If you tell Legion to run the job on a specific h