Run text file as commands in Bash

Question

If I have a text file with a separate command on each line how would I make terminal run each line as a command  I just don t want to have to copy and paste 1 line at a time  It doesn t HAVE to be a text file    It can be any kind of file that will work   example txt   sudo command 1 sudo command 2 sudo command 3

User · Accepted Answer

you can make a shell script with those commands, and then chmod +x <scriptname.sh>, and then just run it by

./scriptname.sh

Its very simple to write a bash script

Mockup sh file:

#!/bin/sh
sudo command1
sudo command2 
.
.
.
sudo commandn

User · Answer

cat  path     bash  OR cat commands txt   bash

User · Answer

You can use something like this   for i in  cat foo txt  do     sudo  i done   Though if the commands have arguments  i e  there is whitespace in the lines  you may have to monkey around with that a bit to protect the whitepace so that the whole string is seen by sudo as a command   But it gives you an idea on how to start

User · Answer

Execute    example txt   That does exactly what you ask for  without setting an executable flag on the file or running an extra bash instance   For a detailed explanation see e g  https   unix stackexchange com questions 43882 what-is-the-difference-between-sourcing-or-source-and-executing-a-file-i

User · Answer

you can also just run it with a shell  for example   bash example txt  sh example txt

[linux] Run text file as commands in Bash

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