diff --git a/MosReport.py b/MosReport.py
new file mode 100644
index 0000000..044eb86
--- /dev/null
+++ b/MosReport.py
@@ -0,0 +1,62 @@
+# -*- coding: utf-8 -*-
+
+def get_report(items):
+    """Returns plaintext and csv data for given items.
+    *items* is the result of MosDb.get_daily_oa()
+    """
+    longest_name = 9
+    longest_author = 5
+    for i in items:
+        if len(i["name"]) > longest_name:
+            longest_name = len(i["name"])
+        if len(i["createdBy"]) > longest_author:
+            longest_author = len(i["createdBy"])
+
+    # Output table
+    output_text = ("{:19} | {:" + str(longest_name) + "} | {:" + str(longest_author) + "} | {:>5} | {:>5} | {:>5}\n").format(
+        "Datum",
+        "OnAir-MAZ",
+        "Autor",
+        "LUFS",
+        "LRA",
+        "LDIFF"
+    )
+    output_text += ("{:-<19} | {:-<" + str(longest_name) + "} | {:-<" + str(longest_author) + "} | {:->5} | {:->5} | {:->5}\n").format("", "", "", "", "", "")
+    # Output CSV, use BOM because Excel is ignorant
+    output_csv = "\ufeff"
+    output_csv += "objId,planningId,created,name,createdBy,lufs,lra,ludiff\n"
+    for i in items:
+        lu = i["lu"]
+        if lu is None:
+            lu = "n/a"
+            lra = "-"
+            ldiff = "-"
+        elif lu == -99.0:
+            lu = "-∞"
+            lra = "-"
+            ldiff = "-"
+        else:
+            lu = "{:>5.1f}".format(lu)
+            lra = "{:>5.1f}".format(i["lra"])
+            ldiff = "{:>5.1f}".format(i["ldiff"])
+
+        output_text += ("{} | {:" + str(longest_name) + "} | {:" + str(longest_author) + "} | {:>5} | {:>5} | {:>5}\n").format(
+            i["created"],
+            i["name"],
+            i["createdBy"],
+            lu,
+            lra,
+            ldiff
+        )
+        output_csv += ("{},{},{},\"{}\",\"{}\",{},{},{}").format(
+            i["objId"],
+            i["planningId"],
+            i["created"],
+            i["name"],
+            i["createdBy"],
+            i["lu"],
+            i["lra"],
+            i["ldiff"]
+        ) + "\n"
+    return (output_text, output_csv)
+
diff --git a/show_today.py b/show_today.py
index fdbab43..39a086f 100755
--- a/show_today.py
+++ b/show_today.py
@@ -4,6 +4,7 @@
 import os
 import sys
 import MosDb
+import MosReport
 
 db = MosDb.MosDb()
 
@@ -11,60 +12,7 @@ items = db.get_daily_oa()
 #items = db.get_daily_oa("-1 day")
 db.finish()
 
-longest_name = 9
-longest_author = 5
-for i in items:
-    if len(i["name"]) > longest_name:
-        longest_name = len(i["name"])
-    if len(i["createdBy"]) > longest_author:
-        longest_author = len(i["createdBy"])
+(output_text, output_csv) = MosReport.get_report(items)
 
-# Output table
-output_text = ("{:19} | {:" + str(longest_name) + "} | {:" + str(longest_author) + "} | {:>5} | {:>5} | {:>5}\n").format(
-    "Datum",
-    "OnAir-MAZ",
-    "Autor",
-    "LUFS",
-    "LRA",
-    "LDIFF"
-)
-output_text += ("{:-<19} | {:-<" + str(longest_name) + "} | {:-<" + str(longest_author) + "} | {:->5} | {:->5} | {:->5}\n").format("", "", "", "", "", "")
-# Output CSV, use BOM because Excel is ignorant
-output_csv = "\ufeff"
-output_csv += "objId,planningId,created,name,createdBy,lufs,lra,ludiff\n"
-for i in items:
-    lu = i["lu"]
-    if lu is None:
-        lu = "n/a"
-        lra = "-"
-        ldiff = "-"
-    elif lu == -99.0:
-        lu = "-∞"
-        lra = "-"
-        ldiff = "-"
-    else:
-        lu = "{:>5.1f}".format(lu)
-        lra = "{:>5.1f}".format(i["lra"])
-        ldiff = "{:>5.1f}".format(i["ldiff"])
-
-    output_text += ("{} | {:" + str(longest_name) + "} | {:" + str(longest_author) + "} | {:>5} | {:>5} | {:>5}\n").format(
-        i["created"],
-        i["name"],
-        i["createdBy"],
-        lu,
-        lra,
-        ldiff
-    )
-    output_csv += ("{},{},{},\"{}\",\"{}\",{},{},{}").format(
-        i["objId"],
-        i["planningId"],
-        i["created"],
-        i["name"],
-        i["createdBy"],
-        i["lu"],
-        i["lra"],
-        i["ldiff"]
-   ) + "\n"
- 
 print(output_text)
 print(output_csv)
diff --git a/show_yesterday.py b/show_yesterday.py
new file mode 100755
index 0000000..d142364
--- /dev/null
+++ b/show_yesterday.py
@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import os
+import sys
+import MosDb
+import MosReport
+
+db = MosDb.MosDb()
+
+#items = db.get_daily_oa()
+items = db.get_daily_oa("-1 day")
+db.finish()
+
+(output_text, output_csv) = MosReport.get_report(items)
+
+print(output_text)
+print(output_csv)