Initial import

bin/rfcopen.sh

@@ -0,0 +1,49 @@
+#!/bin/sh
+# env
+# Written in 2019 by Lucas
+# CC0 1.0 Universal/Public domain - No rights reserved
+#
+# To the extent possible under law, the author(s) have dedicated all
+# copyright and related and neighboring rights to this software to the
+# public domain worldwide. This software is distributed without any
+# warranty. You should have received a copy of the CC0 Public Domain
+# Dedication along with this software. If not, see
+# <http://creativecommons.org/publicdomain/zero/1.0/>.
+
+usage() {
+	printf "Usage: %s [-T] rfc-number\n" "${0##*/}" >&2
+	exit 1
+}
+
+tonumber() {
+	printf "%u" "$1" 2>/dev/null
+}
+
+: ${RFCDIR:=~/doc/rfc}
+
+torsocks=torsocks
+while getopts T flag; do
+	case $flag in
+	T)	torsocks=
+		;;
+	*)	usage
+		;;
+	esac
+done
+shift $(($OPTIND - 1))
+
+if [ $# -ne 1 ] || [ -z "$1" ] || ! n=$(tonumber "$1"); then
+	usage
+fi
+rfcfile=$RFCDIR/rfc$n.txt
+url=https://tools.ietf.org/rfc/rfc$n.txt
+
+mkdir -p "$RFCDIR"
+if [ ! -f "$rfcfile" ]; then
+	if ! $torsocks ftp -Vo "$rfcfile" "$url"; then
+		printf "%s: Couldn't fetch RFC %u\n" "${0##*/}" "$n" >&2
+		exit 1
+	fi
+fi
+
+${PAGER:-more} "$rfcfile"