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Quickly view/copy live settings w/ grep

Nice programs often come with heavily marked up sample config files.  Sweet!  But what if I'm often changing the only uncommented directive on line 300+?  Extract live settings with grep:

grep -ve \# /etc/program/config.sample > /etc/program/config

Here -v says match opposite, and -e for expression to follow.  We also need to escape whatever the comment character/string is with \.

config is now the same as config.sample with all comments removed.


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