diff --git a/main.py b/main.py
index ee4a4b3..9974a52 100644
--- a/main.py
+++ b/main.py
@@ -1,23 +1,5 @@
-import io, sys, os
 
-# Imports the Google Cloud client library
-from google.cloud import vision
-from google.cloud.vision import types
-
-# Instantiates a client
-client = vision.ImageAnnotatorClient()
-
-# The name of the image file to annotate
-path = os.path.join(sys.path[0], 'DSC_6315.jpg')
-
-# Loads the image into memory
-with io.open(path, 'rb') as image_file:
-    content = image_file.read()
-
-image = types.Image(content=content)
-
-# Performs label detection on the image file
-response = client.label_detection(image=image)
-labels = response.label_annotations
-
-print([label.description for label in labels])
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+if __name__ == "__main__":
+    import os
+    from package.app import run
+    os.exit(app.run())
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diff --git a/package/__pycache__/app.cpython-37.pyc b/package/__pycache__/app.cpython-37.pyc
new file mode 100644
index 0000000..f7a99d5
Binary files /dev/null and b/package/__pycache__/app.cpython-37.pyc differ
diff --git a/package/app.py b/package/app.py
new file mode 100644
index 0000000..69ba3dd
--- /dev/null
+++ b/package/app.py
@@ -0,0 +1,26 @@
+import io, sys, os
+
+# Imports the Google Cloud client library
+from google.cloud import vision
+from google.cloud.vision import types
+
+# Instantiates a client
+client = vision.ImageAnnotatorClient()
+
+def run():
+
+    # The name of the image file to annotate
+    path = os.path.join(sys.path[0], 'DSC_6315.jpg')
+    print(path)
+
+    # Loads the image into memory
+    with io.open(path, 'rb') as image_file:
+        content = image_file.read()
+
+    image = types.Image(content=content)
+
+    # Performs label detection on the image file
+    response = client.label_detection(image=image)
+    labels = response.label_annotations
+
+    print([label.description for label in labels])
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diff --git a/package/xmp.py b/package/xmp.py
new file mode 100644
index 0000000..7a5cc0c
--- /dev/null
+++ b/package/xmp.py
@@ -0,0 +1,57 @@
+# from libxmp import file_to_dict
+import os, sys, re
+
+basepath = "E:\\Photography\\Colorado 2019\\"
+ext_filter = lambda file : file.endswith('.NEF')
+mainPattern = r'<dc:subject>\n\s+<rdf:Bag>\n(?:     <rdf:li>.+<\/rdf:li>\n)*\s+<\/rdf:Bag>\n\s+<\/dc:subject>\n'
+subPattern = r'<rdf:li>(.*)</rdf:li>\n'
+subFormatPattern = '     <rdf:li>{}</rdf:li>\n'
+
+def getXMP(file, basepath=None):
+    xmpFile = file.rfind('.')
+    xmpFile = file[:xmpFile] + '.xmp'
+    if basepath:
+        xmpFile = os.path.join(basepath, xmpFile)
+    return xmpFile
+
+def writeTags(tags, filename):
+    fullpath = os.path.join(basepath, getXMP(filename))
+    if not os.path.exists(fullpath):
+        raise FileNotFoundError(f'No XMP file found for {filename}.')
+    data = open(fullpath, 'r').read()
+
+    # Detect and find the <dc:Subject: part
+    match = re.search(mainPattern, data)
+    if not match:
+        addition = """\n   <dc:subject>\n    <rdf:Bag>\n    </rdf:Bag>\n   </dc:subject>"""
+        look = data.find('</dc:creator>') + 13
+        data = data[:look] + addition + data[look:]
+        match = re.search(mainPattern, data)
+
+    print(os.path.join(basepath, filename))
+    print(fullpath)
+    print('. . .')
+ 
+    # Get last matching tag
+    submatch = None
+    for submatch in re.finditer(subPattern, match.group(0)):
+        pass
+    # Calculate very end
+    spanend = match.span()[0] + (submatch.span()[1] if submatch else 0)
+   # add tags to end
+    data = data[:spanend] + ''.join(subFormatPattern.format(tag) for tag in tags) + data[spanend:]
+    # Write file to disk
+    open(fullpath, 'w').write( data)
+
+files = os.listdir(basepath)
+print(f'Total Files: {len(files)}')
+files = list(filter(ext_filter, files))
+print(f'Total Files after .NEF filter: {len(files)}')
+
+xmps = [file for file in files if os.path.exists(getXMP(file, basepath=basepath))]
+print(f'Total .NEF files with .XMP pair: {len(xmps)}')
+print(f'{len(xmps)} x 2 == {len(xmps) * 2}')
+
+select = files[43]
+writeTags(['helpgod', 'ohfuck'], select)
+print(select) 
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