diff --git a/core/move-l10n.groovy b/core/move-l10n.groovy
new file mode 100644
index 0000000000000000000000000000000000000000..9978299e320324cb6635eeaffdb2438cef2b6c81
--- /dev/null
+++ b/core/move-l10n.groovy
@@ -0,0 +1,28 @@
+// Usage: groovy move-l10n.groovy hudson/model/OldClass/old-view jenkins/model/NewClass/new-view 'Some\ Translatable\ Text'
+
+def oldview = args[0];
+def newview = args[1];
+def key = args[2];
+
+def scriptDir = new File(getClass().protectionDomain.codeSource.location.path).parent;
+def resDir = new File(scriptDir, 'src/main/resources');
+
+def basename = new File(resDir, oldview).name;
+for (p in new File(resDir, oldview).parentFile.listFiles()) {
+    def n = p.name;
+    if (n == "${basename}.properties" || n.startsWith("${basename}_") && n.endsWith(".properties")) {
+        def lines = p.readLines('ISO-8859-1');
+        def matches = lines.findAll({it.startsWith("${key}=")});
+        if (!matches.isEmpty()) {
+            def nue = new File(resDir, newview + n.substring(basename.length()));
+            println("moving ${matches.size()} matches from ${n} to ${nue.name}");
+            lines.removeAll(matches);
+            p.withWriter('ISO-8859-1') {out ->
+                lines.each {line -> out.writeLine(line)}
+            }
+            nue.withWriterAppend('ISO-8859-1') {out ->
+                matches.each {line -> out.writeLine(line)}
+            }
+        }
+    }
+}