bug#10185: 24.0.50; rgrep breaks when called programmatically

[Phil Hagelberg]

Evaluating (rgrep "hello") results in "/bin/bash: hello: command not found"

The docstring for rgrep claims that its first argument is intended to be
a regexp, but clearly it's attempting to execute it via bash.


In GNU Emacs 24.0.50.1 (x86_64-unknown-linux-gnu, GTK+ Version 2.24.4)
 of 2011-09-26 on enigma
Windowing system distributor `The X.Org Foundation', version 11.0.11001000
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

Major mode: Grep

Minor modes in effect:
  diff-auto-refine-mode: t
  recentf-mode: t
  ido-ubiquitous: t
  show-paren-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
o C-p C-a M-f C-f C-f <backspace> C-f M-s M-f M-f C-f
C-d C-d SPC C-n <tab> C-x C-s C-M-x C-x o M-p <return>
C-x o C-x o C-p C-n C-x o C-p C-a M-f M-f M-f M-f M-b
C-b C-k C-a M-f C-f C-y C-k C-p C-a M-f M-f C-f C-y
M-b C-b C-b C-b SPC C-f C-f C-f SPC M-f SPC C-n C-p
C-f <return> C-n C-c q C-x C-s C-M-x C-x o M-p <return>
<down-mouse-1> <mouse-1> q C-p C-a M-f M-b e s h e
l l / C-n <tab> C-e C-x C-e C-x o t o d o <return>
<down-mouse-1> <mouse-movement> <mouse-1> q <down-mouse-1>
<mouse-1> C-h f <return> M-f M-f C-f C-k C-n C-c q
C-a M-f M-f SPC C-y C-b <backspace> M-b <backspace>
C-b C-b C-b <backspace> C-M-x C-x o C-x m M-p <return>
<down-mouse-1> <mouse-1> q C-x o M-f M-f M-b C-b C-k
<return> ( e x p a n d - f i l e - n a m e SPC C-y
C-e C-x C-e C-x o t o d o <return> C-x o C-x k <return>
C-x C-s C-x k C-g M-b M-b M-b M-f <return> C-p C-e
C-a M-f M-f M-f <return> C-n <tab> C-x C-s C-M-x C-g
C-x o M-x r e g r <backspace> <backspace> <backspace>
g r e p <return> T O D O <return> <return> <return>
M-x s t a r t C-a C-g M-x s e r v e r - s t a <return>
M-x C-g e c h o SPC $ E D I T O R <return> M-x r e
p r o t - <backspace> <backspace> <backspace> <backspace>
o r t - e m <return> r <backspace> C-g C-h C-g C-h
f g r e p <return> <down-mouse-1> <mouse-1> q M-x
<return>

Recent messages:
Saving file /home/phil/.emacs.d/phil/programming.el...
Wrote /home/phil/.emacs.d/phil/programming.el
Quit
Saving file /home/phil/.emacs.d/phil/programming.el...
Wrote /home/phil/.emacs.d/phil/programming.el
eshell/todo
Quit
Grep finished (matches found)
Quit [3 times]
Type "q" in help window to restore its previous buffer.

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format env code-pages mule custom widget hashtable-print-readable
backquote make-network-process dbusbind dynamic-setting
system-font-setting font-render-setting move-toolbar gtk x-toolkit x
multi-tty emacs)