Convert numbers to human readable

1 files changed, 38 insertions, 1 deletions

diff --git a/utils/utils.go b/utils/utils.go
index e314367..65461f4 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -1,6 +1,9 @@
 package utils
 
-import "io/ioutil"
+import (
+	"fmt"
+	"io/ioutil"
+)
 
 func Slurp(what *string, path string) error {
 	bytes, err := ioutil.ReadFile(path)
@@ -11,3 +14,37 @@ func Slurp(what *string, path string) error {
 	}
 	return nil
 }
+
+func Abs(x int) int {
+	if x < 0 {
+		return -x
+	} else {
+		return x
+	}
+}
+
+func Human(x int) string {
+	units := []string{"kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"}
+
+	f := float32(x)
+	i := 0
+
+	for ; f >= 1000; i++ {
+		f /= 1000
+	}
+
+	return fmt.Sprintf("%d%s", int(f), units[i])
+}
+
+func HumanMebi(x int) string {
+	units := []string{"ki", "Mi", "Gi", "Ti", "Pi", "Ei", "Zi", "Yi"}
+
+	f := float32(x)
+	i := 0
+
+	for ; f >= 1024; i++ {
+		f /= 1024
+	}
+
+	return fmt.Sprintf("%d%s", int(f), units[i])
+}