The wait command is typically used in shell scripts that spawn child processes that execute in parallel. To illustrate how the command works, let’s create the following script: #!/bin/bash sleep 30 & process_id=$! echo "PID: $process_id" wait $process_id echo "Exit status: $?" Let...
Script – bar.sh #!/bin/bash ./foo.sh & BPID=$! wait $BPID stat=$? if [ $stat –eq 0 ] then echo “Exit status - $stat” else echo “Exit status - $stat” fi Result ./foo.sh: line 4: iiecho: command not found ./foo.sh: line 4: iiecho: command not found ./foo....
If no process ID is specified, then wait command will wait for all background processes to complete. Wait for a Single Process Let's say we have a script that runs a long-running command in background ? #!/bin/bash sleep 10 & echo "Command running in background..." In this script...
command >> file 2>&1 : 将 stdout 和 stderr 合并后重定向到 file 读取外部输入 命令:read arg(脚本读取外部输入并赋值到变量上) 在shell脚本执行到上述命令时,停止脚本执行并等待外部输入,将外部输入赋值到arg变量上,继续执行脚本 文件引用 引用其他的文件之后,可以使用其变量、函数等等,相当于将引用的文件包...
nickjj / wait-until Sponsor Star 63 Code Issues Pull requests A zero dependency Bash script that waits until a command of your choosing has run successfully. bash docker docker-compose wait Updated Dec 7, 2024 Shell Techsola / AmbientTasks Star 50 Code Issues Pull requests Scoped ...
The shell itself executeswait, without creating a new process. If you get the error messagecannot fork,too many processes, try using thewaitcommand to clean up your background processes. If this doesn't help, the system process table is probably full or you have too many active foreground ...
shell并发 #!/bin/bash for(( i = 0; i < ${count}; i++ )) do { commands1 }& donewaitcommands2 #!bin/bash PRONUM=10 #进程个数 tmpfile="$$.fifo" shell 并发 i++ bash 管道文件 原创 blackproof 2023-04-21 01:09:01 36阅读 ...
Learn more about the Microsoft.PowerShell.Commands.WaitJobCommand.WaitJobCommand in the Microsoft.PowerShell.Commands namespace.
PowerShell 複製 Get-Job | Wait-Job 此命令會等候會話中執行的所有作業完成。範例2:使用 Start-Job 等候遠端電腦上啟動的工作PowerShell 複製 $s = New-PSSession Server01, Server02, Server03 Invoke-Command -Session $s -ScriptBlock {Start-Job -Name Date1 -ScriptBlock {Get-Date}} $done = ...
For your convenience, pwait includes a shell script that provides this function. It's calledpwait_poll.sh; just source it in your shell and then you can callpwait_poll PID [DELAY]. What is pwait? pwait is a small utility to wait for a process to finish. It works much like thewai...