[PATCH] Implement a simple read-eval-print loop.

[Michal Sojka]

On Sun, 21 Nov 2010, Michal Sojka wrote:
> This is a great idea. Now I use this script to invoke notmuch remotely
> and I don't have to create master connection manually.
> 
> #!/bin/bash
> socket="$HOME/.ssh/notmuch-connection"
> if [[ ! -S $socket ]]; then
>     # Create master connection in background (the connection is closed
>     # after 10 minutes)
>     ssh -f -M -S $socket example.org sleep 600

The above line must be changed to 
     ssh -f -M -S $socket example.org sleep 600 >/dev/null 2>&1
Without the redirections emacs blocks until the command closes stdout,
which takes 10 minutes in this case.

> fi
> printf -v args "%q " "$@"
> ssh -S $socket example.org notmuch $args