Well, here's the answer. Normally, bash would wait for an ongoing process or command to return an exit code before it picks the next one in the sequence. However, this can be manipulated using an ampersand. The trick is simply to add an ampersand to the command line. You will have so...
If we want to wait for 'sleep' command to complete before continuing with script, we can use wait command ? #!/bin/bash sleep 10 & echo "Command running in background..." wait echo "Command has completed!" In this updated script, we have added 'wait' command after starting 'sleep'...
intmain(intargc,char*argv[]){if(argc<2){printf("Usage: chroot NEWROOT [COMMAND...] \n");return1; }if(chroot(argv[1])) { perror("chroot");return1; }if(chdir("/")) { perror("chdir");return1; }if(argc ==2) { argv[0] = (char*)"/bin/sh"; argv[1] = (char*)"-i"...
wait %2 Utilizing the -n Option with bash wait Command The -n option allows the wait command to pause only for a single job from the given PIDs or jobspecs to complete and returns its exit status. If no arguments are provided, wait -n waits for any background job to complete and ret...
foriin`seq09`;do doCalculations$i& done wait 上面的脚本将等待所有生成的10个子进程,但它始终给出退出状态0(参见help wait)。如何修改此脚本,以便它在任何子进程以代码结束时发现生成的子进程的退出状态并返回退出代码1!= 0? 有没有比收集子流程的PID、按顺序等待它们并求和退出状态更好的解决方案?
WAIT_HINT :0x0 PID :0FLAGS :PSC:\Users\xxx> 解决过程: 1.尝试安装 null 服务,尝试的方法如下: 1.1.使用 InstallUtil.exe 实用程序安装服务 (操作时搞错了,应该使用开始菜单中的「Developer Command Prompt for VS 2017」,即 Visual Studio 命令行的,我是在Administrator权限的 CMD 中使用 InstallUtil.exe...
bash—子shell结束后，“wait”等待enter命令既然你在推doSqoop做背景工作&，唯一限制脚本执行时间的是...
【详解】CentOS8查看IP报错:bash:ifconfig:commandnotfound CentOS 8 查看 IP 报错:bash: ifconfig: command not found在使用 CentOS 8 系统时,有时会遇到使用 ifconfig 命令查看网络接口信息时出现 bash: ifconfig: command not found 的错误。这是因为从 CentOS 7 开始,系统默认不再安装 net-tools 包,而 if...
wait is a command that waits for the given jobs to complete and returns the exit status of the waited for command.
s>command[-pVv]command[arg ...]readonly[-af] [name[=value] ...] or> compgen [-abcdefgjksuv] [-o option] >return[n] complete [-abcdefgjksuv] [-pr] [-DE] >selectNAME [inWORDS ... ;]doCOMM> compopt [-o|+o option] [-DE] [name ..>set[--abefhkmnptuvxBCHP] [-o ...