diff -r 000000000000 -r 1918ee327afb doc/src/snippets/qmake/replacefunction.pro
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/snippets/qmake/replacefunction.pro	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,46 @@
+#! [0]
+defineReplace(headersAndSources) {
+    variable = $$1
+    names = $$eval($$variable)
+    headers =
+    sources =
+
+    for(name, names) {
+        header = $${name}.h
+        exists($$header) {
+            headers += $$header
+        }
+        source = $${name}.cpp
+        exists($$source) {
+            sources += $$source
+        }
+    }
+    return($$headers $$sources)
+}
+#! [0]
+
+defineReplace(matchingFiles) {
+    names = $$ARGS
+    files =
+
+    for(name, names) {
+        header = $${name}.h
+        source = $${name}.cpp
+        exists($$header):exists($$source) {
+            files += $$header
+            files += $$source
+        }
+    }
+    return($$files)
+}
+
+names = delegate model view main
+message(Finding all headers and sources from the following list of names:)
+message($$names)
+allFiles = $$headersAndSources(names)
+message(Found: $$allFiles)
+
+message(Finding only matching headers and sources from the following list of names:)
+message($$names)
+matching = $$matchingFiles($$names)
+message(Found: $$matching)