Bash/remove extension
From Attie's Wiki
function remove_extension { cat - | rev | cut -d . -f 2- | rev } echo "mytestfile.tgz" | remove_extension
Without 'rev'
function remove_extension { cat - | sed -re 's/\./\n/g' | awk 'BEGIN{c=0;l=""}{if(c>=2)printf".";printf"%s",l;l=$1;c++;}' }