{
    "define" : {
        "RANGE"    : range(1,4),
        "FILELIST" : [ "output." + N + ".txt" for N in RANGE ],
    },

    "rules" : [
                {
                    "command" : "python ./simulate.py --parameter " + N + " > output."+N+".txt",
                    "inputs"  : [ "simulate.py" ],
                    "outputs" : [ "output." + N + ".txt" ]
                } for N in RANGE,
                {
                    "command" : "/bin/cat " + join(FILELIST," ") + " > output.all.txt",
                    "inputs"  : FILELIST,
                    "outputs" : [ "output.all.txt" ]
                }
              ]
}