↔️Sed

Removing Comments

• sudo sed -i 's/^#.*$//g' <filename> && sudo sed -i '/^$/d' <filename>

Command	Description
sed -ri '/^.{,7}$/d' <filename>	remove shorter than 8
sed -ri '/[!-/:-@[-`{-~]+/!d' <filename>	remove no special chars
sed -ri '/[0-9]+/!d' <filename>	remove no numbers