#!/bin/sh
# mquote MSG - format MSG as a quotation

: ${from:=$(mhdr -d -h x-original-from "$1")}
: ${from:=$(mhdr -d -h from "$1")}
: ${from:=Someone}

printf '%s wrote:\n' "$from"
mshow -R "$1" |
	sed -n '/^-- $/!p;//q' |                   # strip signature
	sed -e :a -e '/^\n*$/{$d;N;ba' -e '}' |    # strip empty lines
	sed 's/^/> /'                              # prefix with >