to change 'x' to 'q': perl -pi.bak -e 's/x/q/g' filename leaves a backup of the original in filename.bak On Mon, 7 Mar 2005 22:19:33 -0800, George Woolley <george at metaart.org> wrote: > What would be a good way to change > all instances of a specified character in a specified file > to a specified character?