果粒橙灬27133958
#!/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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