app.py

import gradio as gr
import subprocess 

def salut(nom):
    with open(r"/home/user/app/data2.txt", "a") as file:
        p = subprocess.run(["pwd"], capture_output=True)
        file.write(str(p.stdout))
        print("##### " + str(p.stdout) + " #####")
        file.write(f"Nom: {nom}\n")
        
        return "Salut " + nom

demo = gr.Interface(fn=salut, inputs="text", outputs="text")
demo.launch(share=True)