Normally sed just passes along the edited text to STDout (printing in the terminal usually).
With the -i option it actually changes the input files. If you add an extension immediately after the -i it apparently makes a backup of the original with that extension.
Can you break the sed command down for us sed newbies? The ‘-i.bak’ thing is throwing me off
Normally sed just passes along the edited text to STDout (printing in the terminal usually).
With the -i option it actually changes the input files. If you add an extension immediately after the -i it apparently makes a backup of the original with that extension.