diff --git a/epanet/epanet.py b/epanet/epanet.py
index bcfa732..62af392 100644
--- a/epanet/epanet.py
+++ b/epanet/epanet.py
@@ -16,17 +16,15 @@ def _verify_platform():
 
 
 class Output:
-    def __init__(self, name: str) -> None:
-        self._name = name
+    def __init__(self, path: str) -> None:
+        self._path = path
 
         self._lib = ctypes.CDLL(os.path.join(os.getcwd(), 'epanet-output.dll'))
 
         self._handle = ctypes.c_void_p()
         self._check(self._lib.ENR_init(ctypes.byref(self._handle)))
 
-        dir = os.path.dirname(os.getcwd())
-        self.opt = os.path.join(os.path.join(dir, 'temp'), self._name + '.db.opt')
-        self._check(self._lib.ENR_open(self._handle, ctypes.c_char_p(self.opt.encode())))
+        self._check(self._lib.ENR_open(self._handle, ctypes.c_char_p(self._path.encode())))
 
 
     def _check(self, result):
@@ -35,7 +33,7 @@ class Output:
             code = self._lib.ENR_checkError(self._handle, ctypes.byref(msg))
             assert code == result
 
-            error = f'Failed to read project [{self._name}] output, message [{msg.value.decode()}]'
+            error = f'Failed to read project [{self._path}] output, message [{msg.value.decode()}]'
 
             self._lib.ENR_free(ctypes.byref(msg))
 
@@ -147,8 +145,8 @@ class Output:
         self._check(self._lib.ENR_close(ctypes.byref(self._handle)))
 
 
-def _read_output(name: str) -> str:
-    opt = Output(name)
+def dump_output(path: str) -> str:
+    opt = Output(path)
     return opt.dump()
 
 
@@ -170,11 +168,16 @@ def run_project(name: str) -> str:
 
     result = os.system(command)
     if result != 0:
-        raise Exception("Failed to run simulation for project [{name}]")
+        msg = f'Failed to run simulation for project [{name}]'
+        raise Exception(msg)
 
-    return _read_output(name)
+    return dump_output(opt)
+
+
+def run_inp(inp: str) -> str:
+    return ''
 
 
 if __name__ == '__main__':
     _verify_platform()
-    print(_read_output('net3'))
+    print(run_project('net3'))