Chris Angelico wrote:
Really? I can believe that stdout and stderr are initially duplicates, but stdin as well? Isn't stdin opened for reading only, and stdout/stderr for writing only?
It depends entirely on how the process that forked your shell process set things up, but a quick experiment I just did in a MacOSX terminal window suggests that it's not really bothered about that distinction: sh-3.2$ echo foo >&0 foo -- Greg -- https://mail.python.org/mailman/listinfo/python-list
