File input/output

[ehmicky]

I would suggest not implementing passing a file to stdin/stdout/stderr because:

• This can be done by users using fs.createReadStream() and fs.createWriteStream().
• Implementing it is not 100% trivial as it requires also:
  • Potentially, allowing both file paths and file URLs
  • Listening for stream errors
  • Cleaning up the stream if the subprocess fails

Thoughts?

[sindresorhus]

Yeah, we can leave it out for now. But I prefer to keep this issue open.

[sindresorhus]

Maybe worth opening an issue on Node.js about this? Would be useful if stdio[n] accepted:

• Uint8Array: For when you already have a loaded buffer.
• FileHandle: ?
• WebStream: For completeness.