Bash check if a program is running or not
You can find process id for a running program with command
pidof BINARY_NAME_HERE
Example
boby@sok-01:~$ pidof gedit 22057 boby@sok-01:~$ ps aux | grep gedit boby 22057 4.4 0.7 822760 60280 ? Sl 14:29 0:00 /usr/bin/gedit --gapplication-service boby 22071 0.0 0.0 8904 644 pts/0 S+ 14:29 0:00 grep --color=auto gedit boby@sok-01:~$
We can use pidof command in bash script to find if a program is running or not
if [ "$(pidof chrome)" ] then echo "chrome already running." fi
See bash