bug#5976: 23.1.93; yanking shell commands - converted to single lines

bug#5976: 23.1.93; yanking shell commands - converted to single lines

[David Reitter]

On Apr 19, 2010, at 3:12 PM, Warren Harris <Warren Harris <warrensomebody@gmail.com> wrote:



One more...

In the shell mode, when yanking things back from the history (M-p), I've noticed that any multi-line commands that were previously submitted (e.g. via paste) are now yanked back as individual lines rather than full commands. This only seems to happen for things in the history prior to when the shell is started.

To reproduce:

1. cut the following command:

echo 'hello
world'

2. M-x shell
3. paste and hit return
4. see the following echoed:

hello
world

5. C-x k (kill shell)
6. M-x shell
7. M-p (yank back last command)
8. see that you only get:

world'

9. M-p (yank again)
10. see that you only get:

echo 'hello




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 aquamacs-bugs@aquamacs.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.  If you can, give
a recipe starting from `emacs -Q':

Enter your bug report here.

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please include the output from the following gdb commands:
  `bt full' and `xbacktrace'.
For information about debugging Emacs, please read the file
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In GNU Emacs 23.1.93.1 (i386-apple-darwin9.8.0, NS apple-appkit-949.54)
of 2010-03-09 on braeburn.aquamacs.org - Aquamacs Distribution 2.0preview5
Windowing system distributor `Apple', version 10.3.949
configured using `configure  '--with-ns' '--without-x' 'CFLAGS=-arch i386 -arch ppc' 'LDFLAGS=-arch i386 -arch ppc''

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: nil
value of $XMODIFIERS: nil
locale-coding-system: nil
default enable-multibyte-characters: t

Major mode: Shell

Minor modes in effect:
shell-dirtrack-mode: t
savehist-mode: t
smart-frame-positioning-mode: t
aquamacs-autoface-mode: t
recentf-mode: t
osx-key-mode: t
show-paren-mode: t
delete-selection-mode: t
pc-selection-mode: t
cua-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
auto-encryption-mode: t
auto-compression-mode: t
column-number-mode: t
line-number-mode: t
transient-mark-mode: t

Recent input:
^X 3 ^X ^F ^G <f5> C D SPC P R O <tab> D I M <tab>
<return> ^X ^F <return> ^X K <return> ^X ^F D I M <tab>
H I <tab> . <tab> <return> ⌥V ⌥V ⌥V ⌥V ⌥V ^V ^V ^V
^V ^N ^N ^N ^N ^N ^N ^N ^N ^N ^N ^N ^N ^N ^N ^N ^N
^N ^N ^N ^N ^N ^P ^P ^P ^P ^P ^P ^⌥F ^F ^S ^W ^S ^S
^R ^R ^A ^N ^⌥F ^F ^S ^W ^S ^S ^S ^R ^R ^R ^R ^R ^A
^P ^P ^P ^P ^P ^P ^P ^P ^P ^P ^P ^P ^P ^P ^P ^P ^P
^P ^P ^P ^P ^P ^P ^P ^P ^P ^N ^N ^N ^N ^N ^N ^N ^N
^N ^N ^N ^N ^N ^N ^N ^N ^N ^⌥F ^F ^S ^W ^S ^S ^A ^N
^N ^N ^N ^N ^N ^N ^N ^N ^N ^N ^N ^N ^N ^N ^N ^N ^N
^L ^P ^P ^P ^P ^P ^P ^P ^P ^P ^P ^P ^P ^P ^P ^P ^P
^P ^P ^P ^P ^R ^R <wheel-up> <double-wheel-up> <wheel-up>
<double-wheel-up> <triple-wheel-up> <triple-wheel-up>
<triple-wheel-up> <wheel-down> <wheel-down> <wheel-down>
<double-wheel-down> <triple-wheel-down> <wheel-down>
<double-wheel-down> <triple-wheel-down> <down-mouse-1>
<mouse-1> ^S ^W ^S ^S ^S ^S ^S ^A ^X ^B ^X O ^N ^N
^P ^P F ^X ^F M Q <tab> R E <tab> . <tab> <return>
^S ^S ^S ^A <f5> <f1> <return> <f1> M A K E <return>
⌥P ⌥P ⌥P ⌥P ⌥P ⌥P ⌥N <ns-application-activated> <menu-bar>
<help-menu> <bug-diagnosis> <send-emacs-bug-report
>

Recent messages:
Compilation finished
(No files need saving) [2 times]
Compilation finished
History item: 1
History item: 2
History item: 3
History item: 4
History item: 5
History item: 6
History item: 5

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Features:
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PATH: /Users/warren/metaweb/mwbuild3/_work/gd/graphutil:/opt/local/bin:/Users/warren/bin:/Users/warren/.cabal/bin:/Users/warren/godi/bin:/Users/warren/godi/sbin:/usr/local/bin:/opt/local/lib/postgresql83/bin:/sw/bin:/Users/warren/metaweb/mwbuild3/_work/gd/graphutil:/opt/local/bin:/Users/warren/bin:/Users/warren/.cabal/bin:/Users/warren/godi/bin:/Users/warren/godi/sbin:/usr/local/bin:/opt/local/lib/postgresql83/bin:/sw/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin:/Users/warren/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/texbin

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bug#5976: 23.1.93; yanking shell commands - converted to single lines

[Juri Linkov]

> To reproduce:
>
> 1. cut the following command:
>
> echo 'hello
> world'
>
> 2. M-x shell
> 3. paste and hit return
> 4. see the following echoed:
>
> hello
> world
>
> 5. C-x k (kill shell)
> 6. M-x shell
> 7. M-p (yank back last command)
> 8. see that you only get:
>
> world'
>
> 9. M-p (yank again)
> 10. see that you only get:
>
> echo 'hello

Doing this in bash, I get the same result because it saves multi-line
commands on separate lines in ~/.bash_history and reads each line as
a separate command.  Why should Emacs be different in this regard?

-- 
Juri Linkov
http://www.jurta.org/emacs/

bug#5976: 23.1.93; yanking shell commands - converted to single lines

[Warren Harris]

On Apr 19, 2010, at 3:54 PM, Juri Linkov wrote:

>> To reproduce:
>>
>> 1. cut the following command:
>>
>> echo 'hello
>> world'
>>
>> 2. M-x shell
>> 3. paste and hit return
>> 4. see the following echoed:
>>
>> hello
>> world
>>
>> 5. C-x k (kill shell)
>> 6. M-x shell
>> 7. M-p (yank back last command)
>> 8. see that you only get:
>>
>> world'
>>
>> 9. M-p (yank again)
>> 10. see that you only get:
>>
>> echo 'hello
>
> Doing this in bash, I get the same result because it saves multi-line
> commands on separate lines in ~/.bash_history and reads each line as
> a separate command.  Why should Emacs be different in this regard?

I could have sworn that aquamacs 1.9 preserved multi-line shell  
commands across shell sessions, but perhaps I'm mistaken. It certainly  
does preserve multi-line shell commands within a single shell session.

Warren

bug#5976: 23.1.93; yanking shell commands - converted to single lines

[Juri Linkov]

>> Doing this in bash, I get the same result because it saves multi-line
>> commands on separate lines in ~/.bash_history and reads each line as
>> a separate command.  Why should Emacs be different in this regard?
>
> I could have sworn that aquamacs 1.9 preserved multi-line shell commands
> across shell sessions, but perhaps I'm mistaken. It certainly  does
> preserve multi-line shell commands within a single shell session.

Bash preserves multi-line shell commands within a single shell session too
when its shopt option `cmdhist' is set.

There is also the option `lithist' that replaces newlines with semicolon
separators.  But it doesn't help because it doesn't replace newlines
inside command line arguments.

So I see no way to save multi-line shell commands in ~/.bash_history
in a way compatible with Bash.  Do you have any ideas?

-- 
Juri Linkov
http://www.jurta.org/emacs/

bug#5976: 23.1.93; yanking shell commands - converted to single lines

[Thierry Volpiatto]

Juri Linkov <juri@jurta.org> writes:

>>> Doing this in bash, I get the same result because it saves multi-line
>>> commands on separate lines in ~/.bash_history and reads each line as
>>> a separate command.  Why should Emacs be different in this regard?
>>
>> I could have sworn that aquamacs 1.9 preserved multi-line shell commands
>> across shell sessions, but perhaps I'm mistaken. It certainly  does
>> preserve multi-line shell commands within a single shell session.
>
> Bash preserves multi-line shell commands within a single shell session too
> when its shopt option `cmdhist' is set.
>
> There is also the option `lithist' that replaces newlines with semicolon
> separators.  But it doesn't help because it doesn't replace newlines
> inside command line arguments.
>
> So I see no way to save multi-line shell commands in ~/.bash_history
> in a way compatible with Bash.  Do you have any ideas?
It seem eshell does what you ask, maybe you should look there?

-- 
Thierry Volpiatto
Gpg key: http://pgp.mit.edu/

bug#5976: 23.1.93; yanking shell commands - converted to single lines

[Juri Linkov]

>> So I see no way to save multi-line shell commands in ~/.bash_history
>> in a way compatible with Bash.  Do you have any ideas?
>
> It seem eshell does what you ask, maybe you should look there?

Does eshell save multi-line shell commands in ~/.bash_history
compatible with Bash?

-- 
Juri Linkov
http://www.jurta.org/emacs/

bug#5976: 23.1.93; yanking shell commands - converted to single lines

[Thierry Volpiatto]

Juri Linkov <juri@jurta.org> writes:

>>> So I see no way to save multi-line shell commands in ~/.bash_history
>>> in a way compatible with Bash.  Do you have any ideas?
>>
>> It seem eshell does what you ask, maybe you should look there?
>
> Does eshell save multi-line shell commands in ~/.bash_history
> compatible with Bash?
No, it save in eshell file history (.emacs.d/.eshell/)

,----
| thierry@~/.emacs.d/.eshell $ ls
| alias  history  lastdir  profile
`----

,----
| thierry@~/.emacs.d/.eshell $ echo 'hello
| world'
| hello
| world
| ==> C-up RET
| thierry@~/.emacs.d/.eshell $ echo 'hello
| world'
| hello
| world
`----

That save like that in history file:

,----
| echo 'hello\x7fworld'
| echo 'hello\x7fworld'
`----

HTH

-- 
Thierry Volpiatto
Gpg key: http://pgp.mit.edu/

bug#5976: 23.1.93; yanking shell commands - converted to single lines

[Noam Postavsky]

tag 5976 + notabug
quit

Seems like a bash bug, not an Emacs one.

e.g. https://lists.gnu.org/archive/html/bug-bash/2011-02/msg00029.html