#!/bin/sh port=5912 host="localhost" cnt=$1 [ -n "$cnt" ] || cnt=100 i=0 gen_mac() { m1=$(date +%s%N | md5sum | head -c 2) m2=$(date +%s%N | md5sum | head -c 2) m3=$(date +%s%N | md5sum | head -c 2) m4=$(date +%s%N | md5sum | head -c 2) m5=$(date +%s%N | md5sum | head -c 2) m6=$(date +%s%N | md5sum | head -c 2) echo "$m1$m2$m3$m4$m5$m6" | tr '[:lower:]' '[:upper:]' } while [ $i -ne $cnt ] do rtty -I "$(gen_mac)" -d "$(date +%s%N | md5sum | head -c 20)" -h $host -p $port -s & i=$((i+1)) done