#/bin/sh downloadRFC() { URL="https://www.ietf.org/rfc/rfc$1.txt" if [ -x /usr/bin/fetch ]; then /usr/bin/fetch -m --no-verify-peer $URL elif [ -x /usr/bin/wget ]; then /usr/bin/wget -N --no-check-certificate $URL elif [ ! -r dumpasn1.cfg ]; then echo Please download $URL in this directory. exit 1 fi } echo '{}' > rfcasn1.json # start from scratch mkdir -p rfc cd rfc for n in 5280 3369 3161; do downloadRFC $n ../parseRFC.js rfc$n.txt ../rfcasn1.json done echo Conversion completed.