In place replacements
In-place replacement (GNU)
sed -i -e 's/foo/bar/' example.md
In GNU sed: use
-i without arg.
In-place replacement (BSD)
sed -i '' -e 's/foo/bar/' example.md
-i '' is required.
Print until a certain line is met
sed '/begin api/q'
Print until a certain line is met, but not that line
sed '/^# begin/,$d'
Print everything after a given line
sed -n '/end api/,$p'
Print after a given line is found.
Print everything except matching
sed -n '/regex/!p'
Print everything except lines matching regex. Useful for printing files with comments.
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