#!/bin/bash

if [ -z "$1" ]; then
	echo "Usage: ${0##*/} DEBIAN_ARCHITECTURE..." >&2
	exit 1
fi

FORMAT="%20.20s  %20.20s  %20.20s  %20.20s\n"
FIELDS="DEB_HOST_ARCH_OS DEB_HOST_GNU_TYPE DEB_HOST_MULTIARCH"

printf "$FORMAT" DEB_HOST_ARCH $FIELDS
while [ -n "$1" ]; do
	fields=`dpkg-architecture -a"$1" 2>/dev/null | egrep 'DEB_HOST_(ARCH_OS|GNU_TYPE|MULTIARCH)' | cut -d'=' -f2 | paste -s`
	[ -z "$fields" ] && fields="x x x"
	printf "$FORMAT" $1 $fields
	shift
done