Объединить 2 sed

prt-cache "$mode" "$@" --test "${ignore[@]}" "${install_root[@]}" 2>"$DEV/null" \
    | sed -nr '/^-- Packages (in|u|r)/,/^($|\*)/p' \
        | sed '/^\($\|--\|\*\)/d'

> prt-get update bash openssh --test
*** prt-cache: test mode

-- Packages updated
bash
openssh

prt-get: updated successfully

*** prt-cache: test mode end

bash
openssh