Linux tips | export environment variables | use sed to update multiple files
Updating config files with Linux environment variables is something you may need to do when setting up Flask, Nginx, or Django projects. Here we see how to update multiple config files with one line, using sed.
Sed is a stream editor. A stream editor is used to perform basic text transformations on an input stream (a file or input from a pipeline) - rather than look up the syntax each time, try and use an example like this many times and you'll do just fine.
🌏 https://linux.die.net/man/1/sed
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