bash - How do I get just the app id with PM2? -


say have app named "fizzbuzz". start pm2 start index.js --name="fizzbuzz" --watch. automation purposes i'd id of app. can grep guess seems pm2 have out of box. can't find in docs. instance, i'd this: 

$ pm2 id --name="fizzbuzz" 3

will have use grep , string manipulation in bash accomplish this?

since presumably can't add shell lines pm2, cannot use $$ variable provides current process' id. there way without resorting ps, grep, et al.

as long command pm2 start index.js --name="fizzbuzz" --watch, this:

pm2 start index.js --name="fizzbuzz" --watch & fizz_pid=$!

the ampersand runs pm2 in background. fizz_pid=$! writes process id of program last put background fizz_pid variable. (caveat: adding pipe | after end of pm2 command break this.)


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