Here’s a comprehensive example of using the wait command in advanced bash scripting. The script below contains two processes, each having a unique pid. Now, the script is to run the processes in the background. The first command has a $process_id ($1). Also, the wait command is linke...
51CTO博客已为您找到关于bash脚本 wait的相关内容,包含IT学习相关文档代码介绍、相关教程视频课程,以及bash脚本 wait问答内容。更多bash脚本 wait相关解答可以来51CTO博客参与分享和学习,帮助广大IT技术人实现成长和进步。
Script – foo.sh (Exit status = NON Zero) Script - foo.sh #!/bin/bash for i in 1 2 3 4 5 do iiecho “foo.sh – Looping … number $i” done exit 127 Script – bar.sh #!/bin/bash ./foo.sh & BPID=$! wait $BPID stat=$? if [ $stat –eq 0 ] then echo “Exit sta...
The script takes two seconds to complete the first process (due tosleep2) and three seconds to complete the second process. The two processes are executed simultaneously and both complete in three seconds. Conclusion Hopefully, the examples helped you learn how to use thewaitcommand in bash scr...
2回答 正确使用进程号未知的Bash wait命令 、、 我正在编写一个bash脚本,它实际上触发了一个大约需要10个小时才能完成的python脚本,然后是一个R脚本,它检查python脚本的输出是否有任何我需要关注的东西。ProdRun="python scripts/run_prod.py" wait/dupCompareTD.R" #Runs R script ...
Fel*_*xJN2bashshell-script 其中man bash写道: 等待[-fn] [id ...] 等待每个指定的子进程并返回其终止状态。每个id可能是进程ID或作业规范;如果给出了作业规范,则等待该作业管道中的所有进程。如果未给出 id,则等待所有当前活动的子进程,并且返回状态为零。如果提供了 -n 选项,则 wait 等待任何作业终止并...
The wait command is typically used in shell scripts that spawn child processes that execute in parallel. To illustrate how the command works, let’s create the following script: #!/bin/bashsleep30&process_id=$!echo"PID:$process_id"wait$process_idecho"Exit status:$?" ...
Add the below-given lines in the bash script: #!/bin/bash echo“Started bash.sh” echo“Started hello.sh” ./hello.sh& process_id=$! wait$process_id echo“Completed hello.sh Output: Conclusion: When a user wants to stop a process, the system releases all resources kept by the process...
#!/bin/bash sleep 10 & echo "Command running in background..." wait || echo "Process not found!" echo "Command has completed!" In this script, we are running 'sleep' command in background and waiting for it to complete using wait command. If 'sleep' command does not exist, then ...
The first line clears the env vars (as suggested in Sanitize environment with command or bash script?). Now you can run this script with pm2 start command. My worker ran fine for about 24 hours as of now. I hope this works for you too. https://stackoverflow.com/questions/74935015/play...