#!/bin/bash ring() { tick=$2 freq=$1 for i in `seq 0 $tick`; do echo -en '\a' sleep $freq done } pid=$1 echo "Wait process $pid ..." while true; do list=($(ps ax | awk "\$1==$pid {print \$1}")) if [ ${#list[*]} -eq 0 ]; then echo "Process $pid done." break fi sleep 1 done ring 0.2 100
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