When working with Bash scripts, you may end up in a situation where you have to process a series of inputs using the same command. Fortunately, there is a way in Bash to achieve this in a more optimal way using HereDoc.
HereDoc, an acronym for Here Document, is an input redirection method to pass multiple inputs to a program or command in Bash.
Link to Article:
https://ostechnix.com/bash-heredoc-tutorial/