bug#1298: allow 'emacsclient -a "emacs --daemon && emacsclient -c"'

[Dan Nicolaescu]

Stefan Monnier <monnier@IRO.UMontreal.CA> writes:

  > >> It would be nice if some equivalent of: 
  > >> 'emacsclient -a "emacs --daemon && emacsclient -c"
  > >> would work.
  > >> That would allow one to ALWAYS use emacsclient. 
  > 
  > > Here's a quick hack that allows:
  > > emacsclient -a "emacs --daemon && emacsclient -c" FILENAME
  > > to work.  It is not complete yet, FILENAME does not get passed to the
  > > "&& emacsclient"
  > 
  > Here's an alternative:
  > 
  >    [ "$(emacsclient -e "'up" 2>/dev/null)" = "up" ] || emacs --daemon
  >    emacsclient -c FILENAME

I've been using something similar for a long time (even before
--daemon), but it seems that it's more elegant to use a single command
that shell hackery...