change defaults

colcat.c

@@ -10,7 +10,7 @@
 int rainbow_len = 90;   // how many characters long is one full rainbow (360deg)
 int col_change;         // how many degrees between colours in the rainbow
 int col_dist;           // how many characters per colour in output
-int frequency = 1;          // how many degrees to rotate start point on new line
+int frequency = 0;          // how many degrees to rotate start point on new line
 
 struct colour* colours; // the rainbow 
 int num_colours;        // the length of the rainbow
@@ -94,16 +94,16 @@ int generate_rainbow() {
 int main(int argc, char** argv) {
     int opt;
     int optcount = 0;
-    while ((opt = getopt(argc, argv, "l:f:")) != -1) {
+    while ((opt = getopt(argc, argv, "h:v:")) != -1) {
         optcount++;
-        if (opt == 'l') {
+        if (opt == 'h') {
             optcount++;
             rainbow_len = atoi(optarg);
-        } else if (opt == 'f') {
+        } else if (opt == 'v') {
             optcount++;
             frequency = atoi(optarg);
         } else {
-            printf("Usage: colcat -l [rainbow length] -f [frequency]");
+            printf("Usage: colcat -h [rainbow length] -v [vertical frequency]");
         }
     }