Better download list parsing

appimg/version.go

@@ -0,0 +1,33 @@
+package appimg
+
+import (
+	"strconv"
+	"strings"
+)
+
+func compareVersions(imgs []appimg) int {
+	for i := range imgs {
+		imgs[i].version = removeLetters(imgs[i].version)
+	}
+	highest := 0
+	higharr := strings.Split(imgs[0].version, ".")
+	for i := 0; i < len(imgs); i++ {
+		if i != highest {
+			varr := strings.Split(imgs[i].version, ".")
+			if len(higharr) < len(varr) {
+				for j := 0; j < len(higharr); j++ {
+					h, _ := strconv.Atoi(higharr[j])
+					c, _ := strconv.Atoi(varr[j])
+					if h > c {
+						break
+					} else if c > h {
+						highest = i
+						higharr = varr
+						break
+					}
+				}
+			}
+		}
+	}
+	return highest
+}