On Tue, 3 Apr 2018 11:53:45 +0200 Raphael Hertzog <hertzog@debian.org> wrote: > > +if [ -e /usr/bin/apt-config ]; then > > In case like this, you usually use "-x" to ensure it's also executable. Thanks :) -- Regards, Hideki Yamane henrich @ debian.org/iijmio-mail.jp