more (untested) windows bugfixes

platform/other.go

@@ -2,7 +2,16 @@
 
 package platform
 
+import(
+	"path"
+)
+
 func SanitiseFilename(filename string) (newName string, e error) {
 	newName = filename
 	return
 }
+
+func DirOf(filename string) (dirname string, e error) {
+	dirname = path.Dir(filename)
+	return
+}

platform/windows.go

@@ -15,3 +15,13 @@ func SanitiseFilename(filename string) (newName string, e error) {
 	newName = r.ReplaceAllString(filename, "")
 	return
 }
+
+func DirOf(filename string) (dirname string, e error) {
+	r, e := regexp.Compile(`[^\ ]+$`)
+	if e != nil {
+		return
+	}
+
+	dirname = r.ReplaceAllString(filename, "")
+	return
+}

wimp-get.go

@@ -30,7 +30,11 @@ func main() {
 	}
 
 	exe, _ := os.Executable()
-	wDir := path.Dir(exe)
+	wDir, e := platform.DirOf(exe)
+	if e != nil {
+		panic(e)
+	}
+
 	magicData, e := ioutil.ReadFile(wDir + "/magic.json")
 	if e != nil {
 		panic(e)