exec
This function asynchronously executes the given command as a subprocess. No sophisticated argument processing is performed; quoting arguments or performing shell substitutions will require you to run a shell script. A maximum of 63 space-delimited arguments can be provided in the command string.
If the spawned subprocess does not exit before waywall, it will be killed with
SIGKILL
when waywall closes.
Arguments
command
: string
Return values
None
This function cannot be called during startup.