# requirez(commandLine.awk)
BEGIN { Who  = "Tim Menzies";
        What = "silap";
        When = "2006";
        How  = "cd:e:hn:p:s:x:r:R:V:w:";
        Why  = "learn patterns from NASA IV&V project data";
}
function usage() {  about(Who,What,When,Why);
 prints("Usage: "What" [FLAGS] [FILE]"," ",
	    "FILE is a csv of prior projects (and is not needed for the '-r' flag)"," ",
        " -c       show copyright",
        " -d CHAR  field seperator; default=["FS"]",
        " -e FILE  for all projects in FILE, computer EP,CON",
        " -h       show help",
        " -n NUM   repeat NUM times; default=["N"]",
        " -p NUM   print a progress statement, every NUM steps of the simulation;",
		"          (and if NUM is 0, disable printing); default ["Pause"]",
        " -r FILE1 run a simulation from the distribution into FILE1",
		"          (ignores any trailing FILE names on the command line)", 
        " -V CHAR  verbose mode: show pdf using CHAR",
        " -w FILE1  writes the distribution of FILE into FILE1, then quits",
        " -R FILE1  writes the rsk distribution (error and consquence) to FILE1",
        " -s NUM   set random seed; default=["Seed"]",
        " -x NUM   run demo NUM"," ",
		"This tool was developed at West Virginia University under a contract with the National",
		"Aeronautics and Space Administration.  Reference herein to any specific commercial",
		"commercial product, process, or service by trade name, trademark, manufacturer, or otherwise,",
		"does not constitute or imply its endorsement by the United States Government.")
}
function defaults() {
        inits(How,"-s 1 -d , -n 250 -p 0 -x 999");
}
function set(x,y) {
	if (x == "c")  {copyleft(); exit    };
	if (x == "d")  {return      OFS=FS  = y };
	if (x == "h")  {usage();    exit    };
	if (x == "p")  {return      Pause   = y };
	if (x == "n")  {return      N   = y };
	if (x == "R")  {return      Risk = y; }
	if (x == "r")  {simulateFromFile(y); exit; };
	if (x == "e")  {emulate(y); exit; };
	if (x == "w")  {return WriteTo=y };
	if (x == "V")  {return      Verbose = y };
	if (x == "x")  {return      Demo= y };
	if (x == "s")  {y ? srand(y) : srand();
                    return Seed=y;
				   }
	bad(x "? usage: " What " " How); exit;
}