Search and ReplaceHere are some basic terminal commands that save me up a lot of time.
Search and replace in file (single file)
sed -i 's/old/new/g' filenameSearch and replace in file (multiple files)
sed -i 's/old/new/g' filename*Recursively search and replace in multiple files
find . -type f -print0 | xargs -0 sed -i 's/old/new/g'
Regex Search and ReplaceSearch and replace using regex
printf "Not here. Over there though.\n" | perl -pe 's/(here)/ BEGIN \1 END/g'Search and replace using regex with \n
printf "Not here.\n\n\nOver there though.\n\n" | perl -0 -pe 's/(\n+)/\n/g'Follow this link for the raw script.