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Edit of *.conf files changing all foo to bar (and backup original)
perl
Trick copyright:
The Book of Secret Knowledge <
https://github.com/trimstray/the-book-of-secret-knowledge
>
perl -p -i.orig -e 's/\bfoo\b/bar/g' *.conf
click the source code to copy
install
perl
on any operating system with
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