May 30, 2013 · First: it will find "aaa.sh" as well, which can cause errors. Second: grep will find itself, which you have to deal with. Pgrep is the elegant solution. The simplest, most efficient …

Oct 21, 2023 · One way to determine if a Bash script is running is by checking the process status using the. command. The. command displays information about active processes on your …

Nov 6, 2012 · From inside a program, this is a common way to check that a process of known pid is still existing and running (or waiting). You could use the pidof command to find the …

Apr 9, 2014 · Wtite a tmp file to the /tmp directory. have your script check to see if the file exists, if it does then don't run.

Because you are not checking if a specific process is running, you are checking if there are any processes running that happens to match abc. Any user can easily create and run an …

Oct 19, 2022 · There are various command Linux and Unix command line utilities to check if the program is running with the bash shell. One can glue together a shell script and use bash shell …

Feb 5, 2016 · You can check if the shell script was run on a terminal by analyzing the output of tty command. #! /bin/bash if [[ $(tty) =~ "not a tty" ]] then echo "Not running on terminal" else echo …

Jan 8, 2023 · There are multiple methods to determine duplicate instance and to check if process is already running. I will share some of the methods i commonly use in shell scripts. The most …

Near the top of your script define those variables: DAEMON="/path/to/yourscriptname.sh" PIDFILE="/var/run/yourscriptname/yourscriptname.pid" And, of course, you'll need to make …

Feb 10, 2019 · I am using a custom script (stream.sh) which starts on boot. However, I want to check after every 5 minutes if the script is running. If it is not running, I want to run it again. …