• $ curl -L https://cpanmin.us | perl - App::cpanminus
• $ cpanm Carton
• $ cd scripts
• $ carton install

• build HTMLs by carton exec perl compile.pl
• re-build all HTML by carton exec perl compile.pl -f
• build specified url by carton exec perl compile.pl -p why-us

After HTML build, you can run sudo grunt connect then visits [https://localhost/en/home.html] for test

• carton exec perl compile.pl -d

• -f force to overwrite the existing HTMLs
• -d compile for use in gh-pages of a binary-static fork
• -p pathname only compile the files having pathname in path
• -b branchname to compile the changes to sub-folder named br_branchname
• -vr to display list of all generated files

• on Mac, install Homebrew by ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

• install GNU gettext by brew install gettext

• run ./translation.sh
• .po & .pot files will be updated in ../src/config/ & ../src/config/locales

• run ./js_translation.sh
• changes update in ../src/javascript/autogenerated/texts.js