use regex and stdout in fibo example

Author: JavierCladellas

examples/fibonacci/benchmark.json

@@ -15,6 +15,14 @@
                 "name":"",
                 "filepath":"output.csv",
                 "units":{ "fibonacci_number":"" }
+            },
+            {
+                "name":"",
+                "filepath":"stdout",
+                "format":"regex",
+                "pattern": "^(?P<name>[^:\\n]+):\\s*(?P<value>[-+]?[\\d.]+(?:[eE][-+]?\\d+)?)$",
+                "variable_name_group":"name",
+                "variable_value_group":"value"
             }
         ]
     },

examples/fibonacci/fibonacci.py

@@ -45,8 +45,8 @@ def fibonacciIterative(n):
         os.makedirs(dirpath)
 
     with open(args.out,'w') as f:
-        f.write(f"elapsed,fibonacci_number\n{elapsed_time},{fib_number}")
+        f.write(f"fibonacci_number\n{fib_number}")
+
+    print(f"elapsed: {elapsed_time}")
 
-    print(f"Elapsed time: {elapsed_time}")
-    print(f"Fibonacci number: {fib_number}")
     print("Done!")