Execute a python file in a bash file and read two text file

Question

I have a python file which works fine. It takes a file and does something on it. So I run it like this:

./MyPy.py File.txt

Then with bash script I grep some part of it.

./MyPy.py File.txt | grep -vE "^color"

So what I want to do is creating a bash file which asks the user for the path of the File and does ./MyPy.py File.txt | grep -vE "^color" in it and gives the result to out put.

Can you please help me with this ?

So you want to read the file name at run time into a variable? Have you tried using read? Look in the bash manual. — Tom Fenech
– Tom Fenech, Commented Apr 30, 2015 at 13:24
Hi guys, Padraic: Cuz I had to do it in bash. Tom: Thanks, read worked for me :) — ERH7777777
– ERH7777777, Commented May 3, 2015 at 11:37

Jahid · Accepted Answer · 2015-06-02 17:32:25Z

3

This should work:

#!/bin/bash
read -e -p "Enter the path of the file: " file
./MyPy.py "$file" | grep -vE "^color"

Additional improvement:

If you want to interpret ~ as /home/user i.e use ~/Downloads to point to /home/user/Downloads, then:

#!/bin/bash
read -e -p "Enter the path of the file: " file
file=${file/#\~/$HOME}
./MyPy.py "$file" | grep -vE "^color"

edited Jun 2, 2015 at 17:32

answered Apr 30, 2015 at 13:40

Jahid

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1 Comment

cdarke Over a year ago

eval can also be used to do a second scan to translate the ~, but eval is evil.

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