OpenTypeの機能を保持したままフォントをサブセット化+Webフォント化 http://qiita.com/sygnas/items/89e4a3a8dee79e6159c6
#!/bin/sh
mkdir -p ./subset
for file in `find . -name '*.otf'`; do
basename=`basename $file`
filename=${basename%.*}
echo Creating a subset font from ${basename} ...
pyftsubset ${file} --text-file=./chars.txt --layout-features='*' --flavor=woff --output-file=./subset/${filename}-subset.woff
pyftsubset ${file} --text-file=./chars.txt --layout-features='*' --flavor=woff2 --output-file=./subset/${filename}-subset.woff2
echo done.
done
echo All subset fonts have been created.
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