Made DPU accept -c in order to output to stdout

dpu.c

@@ -7,11 +7,15 @@
 int main (int argc, char **argv){
 	char name[FILENAME_MAX];
 	FILE *bob,*joe,*moe;
-	int thing, factor, arg;
+	int out, thing, factor, arg, modifier;
-	int modifier;
+	out = 0;
 	factor=0;
-	while((modifier=getopt(argc,argv,"0123456789"))+1){
+	while((modifier=getopt(argc,argv,"0123456789c"))+1){
 		switch(modifier){
+		case 'c':
+			joe = stdout;
+			out = 1;
+			break;
 		case '0': case '1': case '2': case '3': case '4':
 		case '5': case '6': case '7': case '8': case '9':
 			factor=factor*10+modifier-'0';
@@ -45,10 +49,12 @@ int main (int argc, char **argv){
 		fputs("NO YOU FOOL, A REAL ONE!\n",stderr);
 		return EXIT_FAILURE;
 	}
+	if(!out){
 		if((joe = fopen(name,"w"))==NULL){
 			fputs("Ummm, you seem to have an unwritable file or directory or something silly called the output file, this is dumb. Please stop.\n",stderr);
 			return EXIT_FAILURE;
 		} 
+	}
 	if((moe = fopen("/dev/urandom","r"))==NULL){
 		fputs("So, you aren't random enough. Annoying.\n",stderr);
 		return EXIT_FAILURE;