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The system tests are configured using a configuration file. An anotated example can be found in /nfs/farm/g/glast/u17/systests/src/exec/Config_example.txt.
Running all parts of the system tests
To run the system tests from scratch, i.e. runing Gleam to create the full root trees, RootAnalysis to create the histograms and finally a step to set the standard version, threshold and calculate the metadata, do (from the exec directory):
./runSystest.pl <configfile>
Where <configfile> is the name of your configuration file. If you do not supply a config file name, the code will look for a file called Config.txt by default. It is important that only one set of system tests is running at any given time