Installing official packages:
pacman -S < arch/pkglist.txt
Installing AUR packages:
aurman -S --noconfirm < arch/pkglist-aur.txt
Update rubygems:
gem update --system
Update gems:
gem update
Update a gem list:
gem list --local --no-version --no-verbose > ruby/gem-list.txt
Install gems from the gem-list.txt:
cat ruby/gem-list.txt | xargs gem install
Update rvm:
rvm get stable
Update packages:
npm update -g
Update a package list:
npm list -g -depth 0 | sed '1d' | cut -d ' ' -f 2 | cut -d '@' -f 1 > npm/package-list.txt
Install packages from the package-list.txt:
cat npm/package-list.txt | sudo xargs npm -g install