piper 🛩

runs multiple shell commands piping their stdin/stdout

Features

• Automatic pipes stdin & stdout of all processes.
• exitCode promise is resolved with exit code of last code in the pipe when last process exit.
• stdin, stdout, stderr of resulting process are returned as stream.
• stdout, stderr of resulting process are also thenable. When they are awaited, they are fullfilled with stream buffer concatenation.
• stderr of all processes is merged in to one.
• Automatic unpipe streams when processes terminate.
• Error event of all processes is forwarded to error event of the result object.