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-rwxr-xr-xtools/hex.sh20
1 files changed, 14 insertions, 6 deletions
diff --git a/tools/hex.sh b/tools/hex.sh
index cfae14bb6..78cd8fa38 100755
--- a/tools/hex.sh
+++ b/tools/hex.sh
@@ -10,26 +10,34 @@
if [ $# -lt 2 ]
then
- echo "USAGE: $0 <port> <hex>"
+ echo "USAGE: $0 <host> <port> <hex>"
+ echo "If only <port> and <hex> are present, <host> defaults to localhost."
exit 1
fi
+host="$1"; port="$2"; hex="$3";
+
+if [ $# -eq 2 ]
+then
+ host="localhost"; port="$1"; hex="$2";
+fi
+
send_hex_udp () {
- echo $2 | xxd -r -p | nc -u -w 0 localhost $1
+ echo "$hex" | xxd -r -p | nc -u -w 0 "$host" "$port"
}
send_hex_tcp () {
- echo $2 | xxd -r -p | nc localhost $1
+ echo "$hex" | xxd -r -p | nc "$host" "$port"
}
send_text_udp () {
- echo -n -e $2 | nc -u -w 0 localhost $1
+ echo -n -e "$hex" | nc -u -w 0 "$host" "$port"
}
send_text_tcp () {
- echo -n -e $2 | nc localhost $1
+ echo -n -e "$hex" | nc "$host" "$port"
}
-send_hex_tcp $1 $2
+send_hex_tcp "$host" "$port" "$hex"
exit $?