val create_process_and_wait : prog:string ‑> args:string list ‑> unitGiven an command to be executed, creates a process to execute this command, and waits for its execution. The standard out and error are not redirected. If the commands fails to execute, prints an error message and exits.
val print_error_and_exit : ?exit_code:int ‑> ('a, Format.formatter, unit, 'b) InferStdlib.IStd.format4 ‑> 'aPrints an error message to a log file, prints a message saying that the error can be found in that file, and exist, with default code 1 or a given code.
val pipeline : producer_prog:string ‑> producer_args:string list ‑> consumer_prog:string ‑> consumer_args:string list ‑> InferStdlib.IStd.Unix.Exit_or_signal.t * InferStdlib.IStd.Unix.Exit_or_signal.tPipeline producer program into consumer program