+# Test generate() using awk.
+echo "Simple test fiel for generate() using awk.
+first second
+" > tmp/test-awk.in
+generate awk tmp/test-awk '{ print $1 }'
+# Remove the line with the current date as it changes every time.
+cat tmp/test-awk | grep -v "It was generated from tmp/test-awk.in"
+
+# Test generate() using cat.
+echo "Simple test fiel for generate() using cat (simple copy).
+
+...
+" > tmp/test-cat.real
+generate cat tmp/test-cat .real
+# Remove the line with the current date as it changes every time.
+cat tmp/test-cat | grep -v "It was generated from tmp/test-cat.real"
+