#! /bin/sh

############################################################################
#              Copyright 1992 Digital Equipment Corporation
#                         All Rights Reserved
#
# Permission to use, copy, and modify this software and its documentation is
# hereby granted only under the following terms and conditions.  Both the
# above copyright notice and this permission notice must appear in all copies
# of the software, derivative works or modified versions, and any portions
# thereof, and both notices must appear in supporting documentation.
#
# Users of this software agree to the terms and conditions set forth herein,
# and hereby grant back to Digital a non-exclusive, unrestricted, royalty-
# free right and license under any changes, enhancements or extensions 
# made to the core functions of the software, including but not limited to 
# those affording compatibility with other hardware or software 
# environments, but excluding applications which incorporate this software.
# Users further agree to use their best efforts to return to Digital any
# such changes, enhancements or extensions that they make and inform Digital
# of noteworthy uses of this software.  Correspondence should be provided
# to Digital at:
#
#                       Director of Licensing
#                       Western Research Laboratory
#                       Digital Equipment Corporation
#                       100 Hamilton Avenue
#                       Palo Alto, California  94301
#
# This software may be distributed (but not offered for sale or transferred
# for compensation) to third parties, provided such third parties agree to
# abide by the terms and conditions of this notice.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
# WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
# CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
# DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
# PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
# SOFTWARE.
############################################################################

# sccsid = "@(#)setdir	@(#)setdir	2.0	Network Systems Lab 4/15/92"
#
# Author: Geoff Mulligan (mulligan@pa.dec.com)
#	Please send any modifications or comments to me.
#
# This program is called from many scripts to set the proper directory tree
#
# usage: setdir "destination/addr"

trap

Addr="$*"

if (echo $Addr | egrep '<.*>' > /dev/null) ;then
  Addr=`echo $Addr | cut -d'<' -f2 | cut -d'>' -f1`
else
  Addr=`echo $Addr | cut -d'(' -f1`
fi

Internal=`echo $Addr | awk '
	/^$/ {print "false"}
	!/[!%@]/ {print "true"}
	/@.*@/ {print "false"}
	/[!%]/	   {print "false"}
	/@.*\.dec\.com$/ {print "true"}
	/@.*\.enet$/ {print "true"}
	/@/ {print "false"}
	/::/	   {print "true"}' `

if $Internal ;then
  echo 'INTERNAL'
else
  echo 'EXTERNAL'
fi

