How to make a script in Linux that will install the programs I need?

Question

linux

The situation is as follows: there is linux mint 19.3 Tricia, with 2GB of RAM. The other day I decided to buy another 2GB plank, so that there would be a 64-bit architecture! Accordingly, there was a question of reinstalling the OS. And the question is this: there are a number of programs I need that are stored in repositories, and I am extremely lazy to install them all from the store or write the installation command manually, so I ask you for help to tell me how to make a script that will install everything for me my favorite programs! That is, one file, which will contain a list of the packages I need! Thank you for your attention!

Answer 1

You can make it a little more convenient - keep the list of packages in a separate file (you can also comment on the lines), but the script will become a little more complicated:
install.sh :

#!/usr/bin/env bash
PKG_LIST=packages.txt
sed '/#/d' "$PKG_LIST" | xargs apt install -y

packages.txt:

# Python
python3-dev
python3-venv
python3-pip
python3-setuptools

# Perl
perl
libwww-perl
libxml-rss-perl

Answer 2

And why not list all the packages you need, after that copy them one by one, throw them on a flash drive, reinstall the OS, enter sudo apt install and copy the contents of the file from the flash drive with the list of packages to the command line.