Add example to README; check ~ only in base

README.md

@@ -1,4 +1,17 @@
-`qloc` does a quick line count ignoring binary file types.
+`qloc` does a quick line count over files.
+
+Example output for this folder:
+
+```
+extension           files       binary        blank         code
+----------------------------------------------------------------
+go                      3            0           43          211
+                        1            0            5           20
+gitignore               1            0            5           19
+md                      1            0            1            5
+----------------------------------------------------------------
+summary                 6            0           54          255
+```
 
 To install:
 ```

main.go

@@ -117,7 +117,8 @@ func IterateDir(root string, work chan string) {
 			return nil
 		}
 
-		if strings.Contains(path, "~") {
+		// if a filename contains ~ we assume it's a temporary file
+		if strings.Contains(filepath.Base(path), "~") {
 			return nil
 		}