If you have asked such question: does bash wait for a command to finish, you can find the answer here. In this article you will also find out how the WAIT command can help.
Bash wait on child process can return even when child process is still running 4 Bash: wait for the child process spawned before exec'ing bash 0 Wait between starting background processes in bash 4 Wait for a program (non-child) to finish and execute a command 0 Wait...
#!/usr/bin/env bash # This is a special sleep function which returns the number of seconds slept as # the "error code" or return code" so that we can easily see that we are in # fact actually obtaining the return code of each process as it finishes. my_sleep...
Exit with the primary command's exit_code if the primary command finishes. This all assumes that the /secrets volume was mounted and the environment variables $MYSQLSERVER, $MYSQLPORT and $DEPLOYMENT_ENV were set when the container started. Note that dockerfy expands the environment variables in...
Here, the -n option makes the wait command block until one of the three child processes ends. In our case, the first child process will also be the one that finishes first: $ ./testwait.sh parent process 100 starting child process 101 starting child process 102 starting child process 103...
I know if a subprocess does not get reaped properly, it will become a zombie and you can see it by ps command. Also the "wait [pid]" command will wait for subshell running on the background until it finishes and reap it. I have a script like this: #!/bin/bash sleep 5 & tail ...
Exitwith the primary command's exit_code if the primary command finishes. This all assumes that the /secrets volume was mounted and the environment variables $MYSQLSERVER, $MYSQLPORT and $DEPLOYMENT_ENV were set when the container started. Note thatdockerfyexpands the environment variables in its...
0 using for loop when scripting bash shell in linux 0 Strange behavior with bash for loop 0 bash for loop doesn't loop as intented 0 Why does my bash for loop hang at a command? Hot Network Questions Would it be possible to start a new town in America with ...
version: '3' services: main: image: bash depends_on: - worker command: bash -c "sleep 2 && until ping -qc1 worker; do sleep 1; done &>/dev/null" networks: intra: ipv4_address: 172.10.0.254 worker: image: bash hostname: test01 command: bash -c "ip route && sleep 10" networks...