crow/io/process.crow (source)

has-error bool(a process-result)

spawn-and-wait-result process-result(exe string, args string array) summon

Launches a process and synchronously waits on the result.
The child process' stdout and stderr will be sent to the process-result,
not to the parent's stdout and stderr.
EXE should be a file path and not just a name; this does not search the system path for exe.

spawn-and-wait process-exit(exe string, args string array) summon

Launches a process and synchronously waits on the result.
The child process shares stdout and stderr with the parent process.

shell-exec string(command string) summon

Executes a shell command and returns its output.