if [ -f /etc/apt/apt.conf.d/00InstallRecommends ]; then # remove any existing value from file sed -i '/^APT::Install-Recommends/d' /etc/apt/apt.conf.d/00InstallRecommends; sed -i '/^Aptitude::Recommends-Important/d' /etc/apt/apt.conf.d/00InstallRecommends; # set the value echo 'APT::Install-Recommends "false";' >> /etc/apt/apt.conf.d/00InstallRecommends && \ echo 'Aptitude::Recommends-Important "False";' >> /etc/apt/apt.conf.d/00InstallRecommends && \ echo "* Disabled automatical installation of recommended packages" else # set the value (and create a new file) echo 'APT::Install-Recommends "false";' >> /etc/apt/apt.conf.d/00InstallRecommends && \ echo 'Aptitude::Recommends-Important "False";' >> /etc/apt/apt.conf.d/00InstallRecommends && \ echo "* Disabled automatical installation of recommended packages" fi