How to create, name, and run a command in tmux automatically

Question

I use tmux for a program I run that sometimes crashes, so I can collect errors from it. I use this method of error collection for a few different programs and would like to know if there's a programmatic way of creating multiple tmux sessions with bash, each having their own name and having a command ran in them.

I have tried doing the following:

tmux new -ds "myname" "my command"
tmux new -ds "myname2" "my command"

however, if the program or command in the tmux session finishes/closes/crashes the tmux session is automatically exited and closed, defeating the purpose of trying to get error output.

KamilCuk · Accepted Answer · 2019-03-30 07:53:32Z

1

You have to make the command not exit. Ex. run the shell after the command, so the shell will wait for you:

tmux new -d -s my-session 'sh -c "my command; sh"'

answered Mar 30, 2019 at 7:53

KamilCuk

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