--- a/flys-artifacts/ChangeLog	Wed Apr 11 10:14:13 2012 +0000
+++ b/flys-artifacts/ChangeLog	Wed Apr 11 10:54:26 2012 +0000
@@ -1,3 +1,12 @@
+2012-04-11	Sascha L. Teichmann	<sascha.teichmann@intevation.de>
+
+	* contrib/check-i18n-properties.py: New. Script to check inconsistencies
+	of i18n properties files: Detects duplicates and keys not defined in other
+	properties files. Usage:
+
+	$ find -name messages\*.properties | \
+	  xargs contrib/check-i18n-properties.py
+
 2012-04-11	Sascha L. Teichmann	<sascha.teichmann@intevation.de>
 
 	* src/main/java/de/intevation/flys/artifacts/WINFOArtifact.java:

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/contrib/check-i18n-properties.py	Wed Apr 11 10:54:26 2012 +0000
@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+
+import sys
+import re
+
+SPLIT_RE = re.compile(r"^\s*([^=]+)=\s*(.*)\s*")
+
+def load_properties_file(filename):
+    props = {}
+    with open(filename, "r") as f:
+        while True:
+            line = f.readline()
+            if not line: break
+            m = SPLIT_RE.match(line)
+            if not m: continue
+            k = m.group(1).strip()
+            v = m.group(2).strip
+            if k in props:
+                print >> sys.stderr, "'%s' more than once in '%s'." % (
+                    k, filename)
+            else:
+                props[k] = v
+    return props
+
+def main():
+
+    props = [(arg, load_properties_file(arg)) for arg in sys.argv[1:]]
+
+    l = len(props)
+
+    for i in range(0, l):
+        a = props[i][1]
+        for j in range(i+1, l):
+            b = props[j][1]
+            for k in a.iterkeys():
+                if k not in b:
+                    print >> sys.stderr, "'%s' found in '%s' but not in '%s'." % (
+                        k, props[i][0], props[j][0])
+            for k in b.iterkeys():
+                if k not in a:
+                    print >> sys.stderr, "'%s' found in '%s' but not in '%s'." % (
+                        k, props[j][0], props[i][0])
+        
+if __name__ == '__main__':
+    main()