Configure to write UIs to /epics/opi if it exists

src/eiger_fastcs/__main__.py

@@ -40,20 +40,22 @@ def main(
 EigerIp = typer.Option("127.0.0.1", help="IP address of Eiger detector")
 EigerPort = typer.Option(8081, help="Port of Eiger HTTP server")
 
+OPI_PATH = Path("/epics/opi")
+
 
 @app.command()
 def ioc(
     pv_prefix: str = typer.Argument(),
     ip: str = EigerIp,
     port: int = EigerPort,
 ):
+    ui_path = OPI_PATH if OPI_PATH.is_dir() else Path.cwd()
+
     mapping = get_controller_mapping(ip, port)
 
     backend = EpicsBackend(mapping, pv_prefix)
     backend.create_gui(
-        EpicsGUIOptions(
-            output_path=Path.cwd() / "eiger.bob", title=f"Eiger - {pv_prefix}"
-        )
+        EpicsGUIOptions(output_path=ui_path / "eiger.bob", title=f"Eiger - {pv_prefix}")
     )
     backend.get_ioc().run()