如果我在孩子的时候 推出一个碎纸剧本 我可以用美元 将它给父母
Is there any way to find the pid of a program that I launch from a script in background like:
ping x.x.x.x &
那只叮当是什么?
(我只希望我表达我的自我正确... 我的英语不是最好的)
PS,我在找一个简单而干净的解决方案, 我可以想象到一些东西,比如:
ping -t10000 -W10 x.x.x.x &
then
ps ax | grep ping -t10000 -W10 x.x.x.x $
但也太复杂了, 即使我用开关来个性化, 开关不干净,
变量 $! 拥有您上次启动的背景进程的 PID 。
执行您想要的 PID 命令后, 请使用此命令 : < code>$! 。 这意味着, 虽然您需要在命令后使用 ampersand (
my_command & CMDPID=$!
echo "$CMDPID"
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