Uncomment a line with sed (i.e. delete #)
$ sed -i '/<pattern>/s/^#//' file.txt
will uncomment a line where # is the first character.
$ sed -i '/<pattern>/s/^ *#//' file.txt
will uncomment a line where there is a white space before #.
To learn more about sed see:
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I do self-funded research and I'm writing a book.
> What's the book about?
About technologies and epistemology.
Meaning, technologies can foster agency. No doubt. But I am also asking:
Can technologies make us blind?
I posted a summary of the prologue on the homepage: https://yctct.com/
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