Pass subcommand stdout to command (diff <(echo 1) <(echo 2) in bash) · Issue #1586 · fish-shell/fish-shell · GitHub
How to Color the Diff Command Output in Linux
bash - Shell script to get difference between previous commit and current commit in azure DevOps - Stack Overflow
git diff Has a Quiet Flag to Halt a Script If a File Was Updated — Nick Janetakis
SOLVED: Modify above script to become another shell script “5-2.sh”. “5-2.sh” should complain errors coming from your script arguments. That is, you need to check the existence of two arguments, AND check
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grep - diff to show only the additions in a changed file - Unix & Linux Stack Exchange
The Linux Command Handbook – Learn Linux Commands for Beginners