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#!/usr/bin/sh
#
# magic-cat - this script tries to guess what kind of data a file contains,
# and then runs a program that knows what to do with that data
# It can be teamed with AFDP by 'afdpsend -c magic-cat file1 file2'
# to send multimedia files to many systems at once. Upon receiving
# the files each system will run magic-cat to display them locally.
# Steve Kotsopoulos <steve@ecf.toronto.edu>
#
# rcsid[] = "$Id: magic-cat,v 1.10 1995/10/24 16:37:25 steve Exp $";
PATH=/local/bin:/usr/local/bin:/usr/ucb:/usr/bin:/bin:$PATH:$HOME/bin
# start with some reasonable defaults
TMP=/tmp/magic.$$
MYMAGIC=$HOME/bin/etc.magic # for systems where /etc/magic is incomplete
PROGfile="file -m $MYMAGIC"
PROGfile="file"
PROGimage="xli -delay 10 -geometry +200+200 -quiet"
PROGps="ghostview -geometry -0-0"
PROGmpeg="mpeg_play"
PROGmovie="xanim"
PROGsound=$PROGfile
PROGrgb=$PROGfile
PROGtext="head"
case $# in
0) echo 'Usage: magic-cat file ...'; exit ;;
1) BACKGROUND=1 ;; # run file in background, if only 1 arg
*) BACKGROUND=0 ;; # run files in foreground, 1 at a time
esac
case `uname` in
NetBSD|"BSD/OS"|"BSD/386")
XPLAYGIZMO=false; export XPLAYGIZMO; PROGimage="xv";
PROGsound="showaudio audio/au" ;;
IRIX)
PROGsound="sfplay -p"; PROGrgb="ipaste" ;;
SunOS)
PROGsound="play" ;;
*)
PROGps=$PROGfile ;; # assume we don't have ghostview
esac
# if !$DISPLAY ; then # we aren't running under X Windows!?
# PROGimage=$PROGfile
# fi
for ARG
do
# default program to run, if we can't figure out what file contains
PROG=$PROGfile
$PROGfile $ARG > $TMP
if grep "SGI imagelib image" $TMP; then
PROG=$PROGrgb
elif egrep '(image|GIF|JPEG|jpeg|rasterfile|xpm|xbm)' $TMP ; then
PROG=$PROGimage
elif grep face $TMP ; then
PROG=xview # xv does not support face files
elif grep AIFF $TMP ; then
PROG=playaiff # only on SGI systems
elif egrep '(audio|sound)' $TMP ; then
PROG=$PROGsound
elif grep -i PostScript $TMP ; then
PROG=$PROGps
elif grep -i mpg $TMP ; then
PROG=$PROGmpeg
elif grep -i movie $TMP ; then
PROG=$PROGmovie
elif grep -i text $TMP; then
PROG=$PROGtext
elif grep "shell script" $TMP; then
PROG=$PROGtext
else
echo "$ARG: file type not supported:"
fi
if test "$BACKGROUND" = 1 ; then
$PROG $ARG & # run program in background, so we exit NOW
else
$PROG $ARG
fi
done
rm -f $TMP
exit 0
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