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- #!/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 intr ^C" 0 2 3 5 10 13 15
- echo "NOTE: the interrupt signal (normally ^C) has been remapped to ^T"
- stty -icanon -echo intr ^T
- nc ${ip} ${port}
- exit 0
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