New printy command

printy.c

@@ -0,0 +1,23 @@
+#include <stdio.h>
+#include <ctype.h>
+
+int main(int argc, char *argv[]) {
+    int c;
+    unsigned int count = 0;
+    unsigned int printy = 0;
+
+    for (;;) {
+        c = getchar();
+        if (EOF == c) {
+            break;
+        }
+        if (isprint(c)) {
+            printy += 1;
+        }
+        count += 1;
+    }
+
+    printf("%f\n", printy/(float)count);
+
+    return 0;
+}