40 lines
725 B
Plaintext
40 lines
725 B
Plaintext
|
#!/bin/sh
|
||
|
|
|
||
|
|
usage() {
|
||
|
|
(
|
||
|
|
echo "Usage: $0 [board IP] [board port]"
|
||
|
|
echo ""
|
||
|
|
echo "If IP is not specified, 'localhost' will be used"
|
||
|
|
echo "If port is not specified, '2001' will be used"
|
||
|
|
[ -z "$*" ] && exit 0
|
||
|
|
echo ""
|
||
|
|
echo "ERROR: $*"
|
||
|
|
exit 1
|
||
|
|
) 1>&2
|
||
|
|
exit $?
|
||
|
|
}
|
||
|
|
|
||
|
|
while [ -n "$1" ] ; do
|
||
|
|
case $1 in
|
||
|
|
-h|--help) usage;;
|
||
|
|
--) break;;
|
||
|
|
-*) usage "Invalid option $1";;
|
||
|
|
*) break;;
|
||
|
|
esac
|
||
|
|
shift
|
||
|
|
done
|
||
|
|
|
||
|
|
ip=${1:-localhost}
|
||
|
|
port=${2:-2001}
|
||
|
|
|
||
|
|
if [ -z "${ip}" ] || [ -n "$3" ] ; then
|
||
|
|
usage "Invalid number of arguments"
|
||
|
|
fi
|
||
|
|
|
||
|
|
trap "stty icanon echo opost intr ^C" 0 2 3 5 10 13 15
|
||
|
|
echo "NOTE: the interrupt signal (normally ^C) has been remapped to ^T"
|
||
|
|
|
||
|
|
stty -icanon -echo -opost intr ^T
|
||
|
|
nc ${ip} ${port}
|
||
|
|
exit 0
|