Piping and redirects seem to just work, command substitution is always just parentheses with no $ in front. Process substitution is not magic syntax like in sh,

Piping and redirects seem to just work, command substitution is always just parentheses with no $ in front. Process substitution is not magic syntax like in sh, it's just a command that reads from stdin, writes to a temporary file, and outputs the path to that file: vim (ls -lh | psub)