How to use heredoc as a text editor

Posted by bob on Dec 26, 2020 7:35 AM EDT
Opensource.com; By Seth Kenlon 		Mail this story
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There’s a somewhat obscure feature in Linux and Unix shells that allows you to open a sort of do-while loop for the cat command. It’s called the heredoc, and it enables you to have, more or less, a text editor no matter what shell you’re using.

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