GNU bug report logs - #1795
shell problem

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Message #5 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: relson <at> osage
To: bug-gnu-emacs <at> gnu.org
Subject: shell problem
Date: Mon,  5 Jan 2009 18:00:25 -0500

Please write in English if possible, because the Emacs maintainers
usually do not have translators to read other languages for them.

Your bug report will be posted to the bug-gnu-emacs <at> gnu.org mailing list,
and to the gnu.emacs.bug news group.

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

Within an emacs bash shell, using "!!" to re-execute a command with
"$( ... )" in it results in a space inserted between the dollar sign
and the left paren.  The inserted space should _not_ be present.

###### Here's the dribble file ######

<escape>xshell<return>ls -l $( 0x2000020locate /.emc<backspace>acs | grep emacs$ 0x2000020)<return>!!<tab><return>exit<return> 0x4000020<escape><session.txt<return>

###### Here's the content of the *shell* window ######

relson <at> osage ~ $ ls -l $( locate /.emacs | grep emacs$ )
-rwxr--r-- 1 relson relson 1506 1999-05-07 07:34 /home/backuppc/maple/d-drive/Backups/viper/c/.emacs
-rwxr--r-- 1 relson relson 1506 1999-05-07 07:34 /home/backuppc/WinNT/d-drive/Backups/viper/c/.emacs
-rwxr--r-- 1 relson relson 7007 2004-04-10 08:46 /home/nic/home/relson/.emacs
-rwxr-xr-x 1 relson relson 8617 2005-06-27 11:27 /home/relson/Orion/cygwin/.emacs
-rw-r--r-- 1 relson relson 2923 2006-11-02 15:54 /home/relson/Orion/emacs.d/.emacs
-rwxr-xr-x 1 relson relson 6788 2004-12-25 18:03 /home/relson/Orion/emacs.d/emacs-20041225/.emacs
-rwxr-xr-x 1 relson relson 6788 2004-12-25 18:03 /home/relson/Orion/emacs.d/emacs-20050607/.emacs
relson <at> osage ~ $ ls -l $ ( locate /.emacs | grep emacs$ )
bash: syntax error near unexpected token `('
relson <at> osage ~ $ exit
exit

Process shell exited abnormally with code 2

###### end of *shell* window contents ######

Note: my home directory, i.e. /home/relson, does _not_ have .emacs file

############################################

If Emacs crashed, and you have the Emacs process in the gdb debugger,
please include the output from the following gdb commands:
    `bt full' and `xbacktrace'.
If you would like to further debug the crash, please read the file
/usr/share/emacs/22.3/etc/DEBUG for instructions.


In GNU Emacs 22.3.1 (x86_64-pc-linux-gnu, GTK+ Version 2.12.11)
 of 2008-12-30 on osage
Windowing system distributor `The X.Org Foundation', version 11.0.10300000
configured using `configure  '--prefix=/usr' '--host=x86_64-pc-linux-gnu' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--datadir=/usr/share' '--sysconfdir=/etc' '--localstatedir=/var/lib' '--program-suffix=-emacs-22' '--infodir=/usr/share/info/emacs-22' '--without-carbon' '--with-sound' '--with-x' '--without-toolkit-scroll-bars' '--with-jpeg' '--with-tiff' '--with-gif' '--with-png' '--with-xpm' '--with-x-toolkit=gtk' '--without-hesiod' '--without-kerberos' '--without-kerberos5' '--libdir=/usr/lib64' '--build=x86_64-pc-linux-gnu' 'build_alias=x86_64-pc-linux-gnu' 'host_alias=x86_64-pc-linux-gnu' 'CFLAGS=-march=athlon64 -O2 -pipe' 'LDFLAGS=-Wl,-O1''

Important settings:
  value of $LC_ALL: en_US.UTF-8
  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
  locale-coding-system: utf-8
  default-enable-multibyte-characters: t

Major mode: Text

Minor modes in effect:
  encoded-kbd-mode: t
  tooltip-mode: t
  tool-bar-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  auto-compression-mode: t
  line-number-mode: t

Recent input:
<help-echo> <help-echo> <help-echo> C-x C-f s e s <tab> 
<return> C-x C-f d r i <tab> <return> <escape> > C-x 
b <return> <help-echo> <help-echo> <escape> x t r u 
<tab> <return> <escape> x r e p o <tab> r <tab> <r
eturn>

Recent messages:
Loading ansi-color...done
Loading encoded-kb...done
Toggling font-lock-mode off; better pass an explicit argument.
For information about GNU Emacs and the GNU system, type <f1> C-a.
Mark set
Making completion list...
Loading help-mode...done
Loading emacsbug...
Loading regexp-opt...done
Loading emacsbug...done

Message #10 received at 1795 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: "Relson, David" <david.relson <at> orion-sys.com>
To: <1795 <at> debbugs.gnu.org>
Subject: inserted spaces
Date: Thu, 29 Jan 2009 10:37:52 -0500

Recalling previous commands inserts spaces in other cases besides "$(".
For example, 

   ">|" becomes "> |"
   "2>&1" becomes "2 > & 1"

Message #15 received at 1795-done <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Chong Yidong <cyd <at> stupidchicken.com>
To: "Relson\, David" <david.relson <at> orion-sys.com>
Cc: 1795-done <at> debbugs.gnu.org
Subject: Re: shell problem
Date: Mon, 02 Nov 2009 19:40:07 -0500

> Within an emacs bash shell, using "!!" to re-execute a command with
> "$( ... )" in it results in a space inserted between the dollar sign
> and the left paren.  The inserted space should _not_ be present.

Sorry for the delay; I've just checked a fix into CVS trunk.  Thanks for
the bug report.

Message #20 received at 1795 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: David Relson <relson <at> osagesoftware.com>
To: <1795 <at> debbugs.gnu.org>
Subject: shell regressions
Date: Thu, 12 Nov 2009 19:00:05 -0500

Two problems with the fix:

1) "!1" (bang, one) -- continues to insert a space between "$" and "("
2) "!$" (bang, dollar) -- pulls in the complete previous line, not just
the line's last token.

Message #37 received at 1795 <at> debbugs.gnu.org (full text, mbox):

From: Alan J Third <alan <at> idiocy.org>
To: <1795 <at> debbugs.gnu.org>
Subject: Re: bug#1795: shell regressions
Date: Sat, 09 Jan 2016 22:26:30 +0000

David Relson <relson <at> osagesoftware.com> writes:

> Two problems with the fix:
>
> 1) "!1" (bang, one) -- continues to insert a space between "$" and "("
> 2) "!$" (bang, dollar) -- pulls in the complete previous line, not just
> the line's last token.

It looks to me like 2 is fixed in 25, however 1 is definitely still there.
-- 
Alan Third

Message #40 received at 1795 <at> debbugs.gnu.org (full text, mbox):

From: Andrew Hyatt <ahyatt <at> gmail.com>
To: help-debbugs <at> gnu.org (GNU bug Tracking System)
Cc: 1795 <at> debbugs.gnu.org, 8027 <at> debbugs.gnu.org
Subject: Re: bug#8027: closed (Re: bug#8027: 23.2;
 shell problem with $( and !!)
Date: Mon, 25 Jan 2016 23:54:56 -0500

This bug has been re-opened due to duplicates, but I'd just like to also
point out that I just tried this Emacs 25, and can reproduce the
original problem.

help-debbugs <at> gnu.org (GNU bug Tracking System) writes:

> Your bug report
>
> #8027: 23.2; shell problem with $( and !!
>
> which was filed against the emacs package, has been closed.
>
> The explanation is attached below, along with your original report.
> If you require more details, please reply to 8027 <at> debbugs.gnu.org.
>
> -- 
> 8027: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8027
> GNU Bug Tracking System
> Contact help-debbugs <at> gnu.org with problems
>
> From: Glenn Morris <rgm <at> gnu.org>
> Subject: Re: bug#8027: 23.2; shell problem with $( and !!
> To: 8027-done <at> debbugs.gnu.org, 1795 <at> debbugs.gnu.org
> Date: Thu, 17 Feb 2011 00:04:01 -0500 (4 years, 48 weeks, 6 days ago)
>
> Version: 24.1
>
> As a test, I have set shell-delimiter-argument-list to nil in the Emacs
> trunk. It fixes this issue, but may cause other issues.
>
> If it does, maybe add something like shell-delimiter-no-break-re (cf
> f90.el) that specifies a list of tokens containing delimiter characters
> that are NOT to be broken.
>
> ----------
>
> From: relson <at> osage
> Subject: 23.2; shell problem with $( and !!
> To: bug-gnu-emacs <at> gnu.org, 1795 <at> debbugs.gnu.org
> Date: Sat, 12 Feb 2011 20:32:16 -0500
> Date: Sat, 12 Feb 2011 20:32:16 -0500 (4 years, 49 weeks, 4 days ago)
>
> In a shell window using "!!<tab>" when the previous command uses "$(
> ... )" improperaly adds a space between the "$" and the "(".
>
> Starting with a directory containg a file named "test", here's how to demonstrate the problem:
>
> 1) In a shell window I can execute "find . -name test" and it'll find the 1
> file that's truly in the current directory.
>
> 2) I can then execute 'ls -l !!<tab>' and the expansion will be "ls -l
> `find . -name  test`" which is correct.
>
> 3) I can also execute 'ls -l $( find . -name test)` and the test file will
> be correctly listed.
>
> 4) However, if I then type 'ls -l !!<tab>' the "$(" becomes "$ (" (with
> a space in the middle), and the command fails.  
>
>
> In GNU Emacs 23.2.1 (x86_64-pc-linux-gnu, GTK+ Version 2.20.1)
>  of 2011-01-31 on osage
> Windowing system distributor `The X.Org Foundation', version 11.0.10902000
> configured using `configure  '--prefix=/usr' '--build=x86_64-pc-linux-gnu' '--host=x86_64-pc-linux-gnu' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--datadir=/usr/share' '--sysconfdir=/etc' '--localstatedir=/var/lib' '--libdir=/usr/lib64' '--program-suffix=-emacs-23' '--infodir=/usr/share/info/emacs-23' '--with-crt-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.5.2/../../../../lib64' '--with-gameuser=games' '--with-sound' '--with-x' '--without-gconf' '--without-toolkit-scroll-bars' '--with-gif' '--with-jpeg' '--with-png' '--with-rsvg' '--with-tiff' '--with-xpm' '--without-xft' '--without-libotf' '--without-m17n-flt' '--with-x-toolkit=gtk' '--without-hesiod' '--without-kerberos' '--without-kerberos5' '--with-gpm' '--with-dbus' 'build_alias=x86_64-pc-linux-gnu' 'host_alias=x86_64-pc-linux-gnu' 'CFLAGS=-march=athlon64 -O2 -pipe' 'LDFLAGS=-Wl,-O1 -Wl,--as-needed' 'CPPFLAGS=''
>
> Important settings:
>   value of $LC_ALL: en_US.UTF-8
>   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: Shell
>
> Minor modes in effect:
>   shell-dirtrack-mode: t
>   tooltip-mode: t
>   mouse-wheel-mode: t
>   tool-bar-mode: t
>   menu-bar-mode: t
>   file-name-shadow-mode: t
>   global-font-lock-mode: t
>   font-lock-mode: t
>   blink-cursor-mode: t
>   auto-encryption-mode: t
>   auto-compression-mode: t
>   line-number-mode: t
>   transient-mark-mode: t
>
> Recent input:
> <escape> x s h e l l <return> f i n d SPC . SPC - n 
> a m e SPC t e s t <return> l s SPC - l SPC ` ! ! ` 
> <tab> <return> l s SPC - l SPC $ ( SPC f i n d SPC 
> SPC <backspace> . SPC - n a m e SPC t e s t S-SPC ) 
> <return> ! ! <tab> <return> <escape> x r e p o <tab> 
> r <tab> <return>
>
> Recent messages:
> For information about GNU Emacs and the GNU system, type C-h C-a.
> History item: previous [2 times]
> Making completion list...
>
> Load-path shadows:
> None found.
>
> Features:
> (shadow sort mail-extr message idna sendmail regexp-opt ecomplete rfc822
> mml mml-sec password-cache mm-decode mm-bodies mm-encode mailcap
> mail-parse rfc2231 rfc2047 rfc2045 qp ietf-drums mailabbrev nnheader
> gnus-util netrc time-date mm-util mail-prsvr gmm-utils wid-edit
> mailheader canlock sha1 hex-util hashcash mail-utils emacsbug help-mode
> easymenu view ansi-color shell comint ring tooltip ediff-hook vc-hooks
> lisp-float-type mwheel x-win x-dnd tool-bar dnd fontset image fringe
> lisp-mode register page menu-bar rfn-eshadow timer select scroll-bar
> mldrag mouse jit-lock font-lock syntax facemenu font-core frame cham
> georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao
> korean japanese hebrew greek romanian slovak czech european ethiopic
> indian cyrillic chinese case-table epa-hook jka-cmpr-hook help simple
> abbrev loaddefs button minibuffer faces cus-face files text-properties
> overlay md5 base64 format env code-pages mule custom widget
> hashtable-print-readable backquote make-network-process dbusbind gtk
> x-toolkit x multi-tty emacs)

Message #45 received at 1795 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: relson <at> osage
Cc: 36103 <at> debbugs.gnu.org, 1795 <at> debbugs.gnu.org
Subject: Re: bug#36103: 24.5; Blank spaces around parentheses in history
 expansion in shell mode
Date: Sun, 08 May 2022 16:00:57 +0200

[Message part 1 (text/plain, inline)]

relson <at> osage writes:

> Within an emacs bash shell, using "!!" to re-execute a command with
> "$( ... )" in it results in a space inserted between the dollar sign
> and the left paren.  The inserted space should _not_ be present.

(I'm going through old bug reports that unfortunately weren't resolved
at the time.)

I'm unable to reproduce this in any Emacs versions I have (Emacs 25.1
and up):

[Message part 2 (image/png, inline)]

[Message part 3 (text/plain, inline)]

Are you still seeing this problem in recent Emacs versions?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #48 received at 1795 <at> debbugs.gnu.org (full text, mbox):

From: Mauro Aranda <maurooaranda <at> gmail.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 1795 <at> debbugs.gnu.org
Subject: Re: bug#1795: shell problem
Date: Sat, 24 Sep 2022 08:21:01 -0300

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> relson <at> osage writes:
>
>> Within an emacs bash shell, using "!!" to re-execute a command with
>> "$( ... )" in it results in a space inserted between the dollar sign
>> and the left paren.  The inserted space should _not_ be present.
>
> (I'm going through old bug reports that unfortunately weren't resolved
> at the time.)
>
> I'm unable to reproduce this in any Emacs versions I have (Emacs 25.1
> and up):

While I can't reproduce the original recipe from Bug#1795, the problem
is still there.  Look at the recipes in Bug#5007 or Bug#8027, or try
this:

M-x shell
cat <(date)
!!
Type M-p

You'll see that the command has been modified and now reads:
cat < ( date )

Message #51 received at 1795 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Mauro Aranda <maurooaranda <at> gmail.com>
Cc: 1795 <at> debbugs.gnu.org
Subject: Re: bug#1795: shell problem
Date: Sat, 24 Sep 2022 13:52:36 +0200

Mauro Aranda <maurooaranda <at> gmail.com> writes:

> While I can't reproduce the original recipe from Bug#1795, the problem
> is still there.  Look at the recipes in Bug#5007 or Bug#8027, or try
> this:
>
> M-x shell
> cat <(date)
> !!
> Type M-p
>
> You'll see that the command has been modified and now reads:
> cat < ( date )

Yup.  How odd -- just `M-p'-ing after "cat <(date)" does the right
thing, and "!!" does the right thing, but `M-p' after "!!" mangles
spaces?

I had a brief look at the code here
(`comint-replace-by-expanded-history-before-point' etc), but I'm pretty
unfamiliar with this code, and it wasn't immediately clear where the
problem stems from.

Anybody have any ideas?

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