/** Insert commas in the given String, turn "1234" into "1,234". */
public static String commas(String s) {
String done = "";
while (s.length() > 3) { // Loop, chopping groups of 3 characters off the end of s
done = "," + Text.end(s, 3) + done;
s = Text.chop(s, 3);
}
return s + done;
}
/**
* Given a number of bytes transferred in a second, describe the speed in kilobytes per second
* like "2.24 KB/s".
*/
public static String speed(int bytesPerSecond) {
int i = (bytesPerSecond * 100) / 1024; // Compute the number of hundreadth kilobytes per second
if (i == 0) return ""; // Return "" instead of "0.00 KB/s"
else if (i < 10) return ("0.0" + i + " KB/s"); // 1 digit "0.09 KB/s"
else if (i < 100) return ("0." + i + " KB/s"); // 2 digits "0.99 KB/s"
else if (i < 1000)
return (Text.start(Number.toString(i), 1)
+ "."
+ Text.clip(Number.toString(i), 1, 2)
+ " KB/s"); // 3 digits "9.99 KB/s"
else if (i < 10000)
return (Text.start(Number.toString(i), 2)
+ "."
+ Text.clip(Number.toString(i), 2, 1)
+ " KB/s"); // 4 digits "99.9 KB/s"
else
return commas(Text.chop(Number.toString(i), 2))
+ " KB/s"; // 5 or more "999 KB/s" or "1,234 KB/s"
}
