sed edit file in place

Question

I am trying to find out if it is possible to edit a file in a single sed command without manually streaming the edited content into a new file and

Answer 1

The following works fine on my mac

sed -i.bak 's/foo/bar/g' sample

We are replacing foo with bar in sample file. Backup of original file will be saved in sample.bak

For editing inline without backup, use the following command

sed -i'' 's/foo/bar/g' sample