cd ~/boost/tools/docca/example update-baseline-html.sh 2>&1 & cd ~/boost/libs/static_string/doc update-baseline-html.sh >build_output.txt 2>&1 & cd ~/boost/libs/url/doc update-baseline-html.sh >build_output.txt 2>&1 & cd ~/boost/libs/json/doc update-baseline-html.sh >build_output.txt 2>&1 & cd ~/boost/libs/beast/doc update-baseline-html.sh >build_output.txt 2>&1 & wait