Remove Comments from Configuration

Sometimes when you want to config something, it contains the comments from the developer which will help us to figured out which options of arguments will be used. But if you are already familiar with the configuration, comments are so annoying, so here is how to eliminate them (using apache2.conf as example):

sed '1p; /^[[:blank:]]*#/d; s/[[:blank:]][[:blank:]]*#.*//' /etc/apache2/apache2.conf | more

or write it to a file:

sed '1p; /^[[:blank:]]*#/d; s/[[:blank:]][[:blank:]]*#.*//' /etc/apache2/apache2.conf > /etc/apache2/apache2.conf.nocomments

Use it with caution, always review it. You’ve been warned!

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