diff --git a/blah.txt b/blah.txt
new file mode 100644
index 0000000..82dd31b
--- /dev/null
+++ b/blah.txt
@@ -0,0 +1 @@
+€K.
\ No newline at end of file
diff --git a/blah2.txt b/blah2.txt
new file mode 100644
index 0000000..dde5455
--- /dev/null
+++ b/blah2.txt
@@ -0,0 +1 @@
+€K.
\ No newline at end of file
diff --git a/counter.py b/counter.py
index 38ec816..7c9f5ea 100644
--- a/counter.py
+++ b/counter.py
@@ -30,7 +30,23 @@ def update_counter(file_name, reset=False):
     >>> update_counter('blah2.txt')
     2
     """
-    pass
+    if reset == True:
+        f = open(file_name,'wb')
+        counter = 1
+        dump(counter, f)
+        f.close()
+
+    elif exists(file_name) and reset == False:
+        f = open(file_name, 'rb+')
+        counter = load(f) + 1
+        f.close()
+
+        f = open(file_name,'wb')
+        dump(counter, f)
+        f.close()
+
+    f = open(file_name,'rb+')
+    return load(f)
 
 if __name__ == '__main__':
     if len(sys.argv) < 2: