X-Git-Url: https://pd.if.org/git/?p=afpopgen;a=blobdiff_plain;f=sim%2Fsim.c;fp=sim%2Fsim.c;h=d0e96695cc584b6bb1f39a8dc339baa772131b66;hp=31a78c76bcee832020f25d297f55cceff971d77f;hb=e7dabc38c4c6fdbe7204cf04b5f055c689eaded4;hpb=d4b54d81449d62cacd2048214f36ae997a141625

diff --git a/sim/sim.c b/sim/sim.c
index 31a78c7..d0e9669 100644
--- a/sim/sim.c
+++ b/sim/sim.c
@@ -77,7 +77,7 @@ int main (int ac, char *av[]) {
 	clock_gettime(CLOCK_REALTIME, &ts);
 	seed = ((unsigned long)(ts.tv_sec) ^ (unsigned long)ts.tv_nsec) & 0xffffffff;
 
-	while ((opt = getopt(ac, av, "r:s:ehp:y:g:m:t:d:")) != -1) {
+	while ((opt = getopt(ac, av, "f:r:s:ehp:y:g:m:t:d:")) != -1) {
 		switch (opt) {
 			case 's': seed = atoi(optarg); break;
 			case 'r': run = atoi(optarg); break;
@@ -88,6 +88,11 @@ int main (int ac, char *av[]) {
 			case 'e': eemian = 1; break;
 			case 'h': holocene = 1; break;
 			case 'p': setpopstr(map, optarg); defaultpop = 0;break;
+			case 'f': if (freopen(optarg, "w", stdout) == NULL) {
+					  perror("sim");
+					  exit(EXIT_FAILURE);
+				  }
+				  break;
 			default:
 				  fprintf(stderr, "Usage: %s [-s seed] [-r run] [-y startyear] [-eh] [-p hex:freq,freq[:freq,freq...]\n",
 						  av[0]);
@@ -129,7 +134,7 @@ int main (int ac, char *av[]) {
 
 	printf("{");
 	printf(" \"run\": %d, \"seed\": %d, \"gens\": %d", run, seed, gens);
-	printf(",\n\"options\": { \"capfactor\": %f }", capfactor);
+	printf(",\n\"options\": { \"capfactor\": %g }", capfactor);
 	printf(",\n\"gendata\": [\n");
 
 	dumpgenjson(map, 0, year);