filepath.py

from tkinter import *
import subprocess as sub
import os


def scriptcall():

    p=uv.get()
    print("Given path : "+p)
    sub.call(['backup1.sh',p],shell=True)


root = Tk()
root.geometry("400x150")

Label(root,
text="Enter File Path",
font="arial 15 bold",
anchor="center").grid(row=1,column=3,pady=10)

uv= StringVar()
uentry = Entry(root, textvariable = uv,width=60).grid(row=2,column=3,padx=15)
#os.system('cmd /k "cd linux"')
Button(text="RUN", command=scriptcall).grid(row=3,column=3,pady=20)

root.mainloop()