#!/bin/bash

PATH=/bin:/usr/bin

TMP=$(mktemp -d /tmp/spam.XXXXXXXXXX) || exit $?
pushd $TMP >/dev/null
  METAMAIL_TMPDIR=. metamail -x -d -r - \
  && FILE=$(ls) \
  && tar jxf $FILE \
  && rm -f $FILE \
  && sa-learn --spam *
  rc=$?
popd >/dev/null

rm -rf $TMP

(($rc)) && echo Error $rc

exit $rc