shell多进程的实现

#!/bin/sh

dir="/data/test"
$dir/sbin/test1.sh >> $dir/log/test1.log 2>&1 &

$dir/sbin/test2.sh >> $dir/log/test2.log 2>&1 &

$dir/sbin/test3.sh >> $dir/log/test3.log 2>&1 &

psgrep=`ps aux | grep "test" | grep -v "grep" | wc -l`

while [ $psgrep -gt 0 ]
do
sleep 1
psgrep=`ps aux | grep "test" | grep -v "grep" | wc -l`
done