Even though this can easily be found online, I find it useful to have together several of the things I usually use when making shell scripts that I use over and over again.
To begin with we should select a folder where to store all the scripts we will create, say sh_scripts under your home directory:
mkdir -p ~/sh_scripts
Now you can create a .sh file. Here I make use of code (Visual Studio Code) but using your preferred editor makes no
difference.
code example.sh
In the editor you may now write the lines you would like to aoutomate. I'll make a silly example (it is not recommended to do something like this with git):
#!/bin/bash
git status
git pull
git add .
echo "Wrtie commit message: "
read commit_msg
git commit -m '${commit_msg}'
git push
If you run this within a git folder, this sh script shows the current status of your current local branch, pulls changes, asks for a commit message, commits for you and pushes in an automated way. Again, this is not recommended.
Now we need to change the mode of our example.sh shell script with
chmod +x example.sh
We can now create an alias (for more information follow this link) for this executable so that it can be run from anywhere. To do so, we just need to add a line in your ~/.bash_aliases file:
code ~/.bash_aliases
We'll assign a meaningful name to our example.sh shell script, since this is the way we'll use it the most.
Let's call it quick_push
alias quick_push='~/sh_scripts/example.sh'
Now, to make use of this command, go to any new terminal and run it.