GNU bug report logs -
#4399
simple way to identify top-level --script file
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Reported by: Tom Tromey <tromey <at> redhat.com>
Date: Fri, 11 Sep 2009 02:15:04 UTC
Severity: wishlist
Tags: wontfix
Done: Lars Ingebrigtsen <larsi <at> gnus.org>
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bug#4399
; Package
emacs
.
(Fri, 11 Sep 2009 02:15:05 GMT)
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Tom Tromey <tromey <at> redhat.com>
:
New bug report received and forwarded. Copy sent to
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(Fri, 11 Sep 2009 02:15:05 GMT)
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Message #5 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):
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:
On occasion it would be convenient to have a .el file which could check
whether it was invoked with --script. (Python can do this, it is quite
handy there.)
I don't think there is a way to do this currently.
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/23.1/etc/DEBUG for instructions.
In GNU Emacs 23.1.1 (i386-redhat-linux-gnu, GTK+ Version 2.16.5)
of 2009-08-26 on x86-2.fedora.phx.redhat.com
Windowing system distributor `The X.Org Foundation', version 11.0.10601901
configured using `configure '--build=i386-redhat-linux-gnu' '--host=i386-redhat-linux-gnu' '--target=i586-redhat-linux-gnu' '--program-prefix=' '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include' '--libdir=/usr/lib' '--libexecdir=/usr/libexec' '--localstatedir=/var' '--sharedstatedir=/var/lib' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--with-dbus' '--with-gif' '--with-jpeg' '--with-png' '--with-rsvg' '--with-tiff' '--with-xft' '--with-xpm' '--with-x-toolkit=gtk' 'build_alias=i386-redhat-linux-gnu' 'host_alias=i386-redhat-linux-gnu' 'target_alias=i586-redhat-linux-gnu' 'CFLAGS=-DMAIL_USE_LOCKF -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i586 -mtune=generic -fasynchronous-unwind-tables''
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: Group
Minor modes in effect:
gnus-agent-mode: t
shell-dirtrack-mode: t
erc-list-mode: t
erc-menu-mode: t
erc-autojoin-mode: t
erc-ring-mode: t
erc-pcomplete-mode: t
erc-track-mode: t
erc-track-minor-mode: t
erc-match-mode: t
erc-button-mode: t
erc-fill-mode: t
erc-stamp-mode: t
erc-netsplit-mode: t
erc-spelling-mode: t
erc-truncate-mode: t
diff-auto-refine-mode: t
gnus-undo-mode: t
erc-status-mode: t
erc-services-mode: t
erc-networks-mode: t
erc-irccontrols-mode: t
erc-noncommands-mode: t
erc-move-to-prompt-mode: t
erc-readonly-mode: t
tooltip-mode: t
mouse-wheel-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
global-auto-composition-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
Recent input:
q SPC 5 0 <return> M-> SPC Q y C-n C-n C-SPC C-u E
SPC C-u E q C-z o <f10> <f10> C-z o C-r o t h e r C-a
SPC 5 0 <return> M-> C-u C-u C-p C-u C-n p = C-u E
E E E E E S-SPC E S-SPC E S-SPC E S-SPC E C-u C-p C-n
M S-SPC M S-SPC M S-SPC q s C-u C-u C-n p p SPC 5 0
<return> M-> q SPC M-> q C-s a r c C-a C-s f r C-a
SPC 5 0 <return> M-> Q y s ESC [ > 1 ; 2 0 0 5 ; 0
c C-x b * G TAB RET 1 g n n SPC ESC > Q y C-r o t h
e r C-a SPC 5 0 RET ESC > C-u C-p C-p p C-u RET RET
RET RET RET C-u RET M SPC n M SPC SPC E E SPC SPC SPC
E = C-l C-a ESC v ESC v ESC v q s ESC [ 2 1 ~ ESC [
2 1 ~ ESC [ 2 1 ~ ESC [ 2 1 ~ ESC [ 2 1 ~ ESC [ 2 1
~ C-v C-l p p p SPC E q n n SPC ESC > C-p C-p E E q
C-l C-u C-n C-u C-n C-u C-n C-l n SPC 5 RET Q y n n
n SPC 5 0 RET ESC > Q y p SPC 5 0 RET ESC > Q y s ESC
v ESC [ 2 1 ~ ESC [ 2 1 ~ ESC [ 2 1 ~ ESC [ 2 1 ~ ESC
[ 2 1 ~ ESC x r e p o r t - e m TAB b TAB RET
Recent messages:
Retrieving newsgroup: nnml:mail.cygnus...
Fetching headers for nnml:mail.cygnus...done
Generating summary...done
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Discard changes to this group and exit? (y or n)
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Saving /home/tromey/.newsrc.eld...
Saving file /home/tromey/.newsrc.eld...
Wrote /home/tromey/.newsrc.eld
Saving /home/tromey/.newsrc.eld...done
Tom
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bug#4399
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emacs
.
(Fri, 11 Sep 2009 04:05:04 GMT)
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Message #8 received at 4399 <at> emacsbugs.donarmstrong.com (full text, mbox):
Tom Tromey wrote:
> On occasion it would be convenient to have a .el file which could check
> whether it was invoked with --script.
You can check for a non-nil value of `noninteractive'. Or do you need
to distinguish --batch from --script for some reason?
bug closed, send any further explanations to Tom Tromey <tromey <at> redhat.com>
Request was from
Glenn Morris <rgm <at> gnu.org>
to
control <at> emacsbugs.donarmstrong.com
.
(Thu, 17 Sep 2009 20:55:09 GMT)
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bug#4399
; Package
emacs
.
(Fri, 18 Sep 2009 17:40:05 GMT)
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Acknowledgement sent
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Tom Tromey <tromey <at> redhat.com>
:
Extra info received and forwarded to list. Copy sent to
Emacs Bugs <bug-gnu-emacs <at> gnu.org>
.
(Fri, 18 Sep 2009 17:40:05 GMT)
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Message #15 received at 4399 <at> emacsbugs.donarmstrong.com (full text, mbox):
>>>>> "GM" == Glenn Morris <rgm <at> gnu.org> writes:
Sorry for the delay in my reply.
>> On occasion it would be convenient to have a .el file which could check
>> whether it was invoked with --script.
GM> You can check for a non-nil value of `noninteractive'. Or do you need
GM> to distinguish --batch from --script for some reason?
I was hoping for something like the python idiom:
if __name__ == "__main__":
... this lets a file determine if it was invoked "as the main program".
My specific use was for tests: I want "emacs --script test.el" to run
the tests, but I want to be able to load the file just to get the defuns
without running the test suite.
Tom
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bug#4399
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(Fri, 18 Sep 2009 18:10:14 GMT)
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Message #18 received at 4399 <at> emacsbugs.donarmstrong.com (full text, mbox):
Tom Tromey wrote:
> My specific use was for tests: I want "emacs --script test.el" to run
> the tests, but I want to be able to load the file just to get the defuns
> without running the test suite.
It sounds like noninteractive will work fine (you could perhaps check
command-line-args if you want finer control)? Or use the traditional:
emacs -batch -l ./test.el -f batch-run-tests
Information forwarded
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bug#4399
; Package
emacs
.
(Fri, 18 Sep 2009 19:05:06 GMT)
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Acknowledgement sent
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Tom Tromey <tromey <at> redhat.com>
:
Extra info received and forwarded to list. Copy sent to
Emacs Bugs <bug-gnu-emacs <at> gnu.org>
.
(Fri, 18 Sep 2009 19:05:06 GMT)
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Message #23 received at 4399 <at> emacsbugs.donarmstrong.com (full text, mbox):
>>>>> "GM" == Glenn Morris <rgm <at> gnu.org> writes:
GM> It sounds like noninteractive will work fine (you could perhaps check
GM> command-line-args if you want finer control)? Or use the traditional:
I don't think that has the same effect if you load multiple such files.
I only want the "main" one to eval the code.
GM> emacs -batch -l ./test.el -f batch-run-tests
This won't work if you want to use #! to start a script.
I guess I can work around this by writing a new .el that just loads
things and evals something.
Tom
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bug#4399
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(Fri, 18 Sep 2009 19:05:08 GMT)
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Message #26 received at 4399 <at> emacsbugs.donarmstrong.com (full text, mbox):
Tom Tromey wrote:
>>>>>> "GM" == Glenn Morris <rgm <at> gnu.org> writes:
>
> GM> It sounds like noninteractive will work fine (you could perhaps check
> GM> command-line-args if you want finer control)?
>
> I don't think that has the same effect if you load multiple such files.
> I only want the "main" one to eval the code.
That's what I was suggesting checking command-line-args for.
If you still need some extra functionality, we can leave reopen this
as a wishlist.
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bug#4399
; Package
emacs
.
(Sat, 19 Sep 2009 01:20:04 GMT)
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Acknowledgement sent
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Tom Tromey <tromey <at> redhat.com>
:
Extra info received and forwarded to list. Copy sent to
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.
(Sat, 19 Sep 2009 01:20:05 GMT)
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Message #31 received at 4399 <at> emacsbugs.donarmstrong.com (full text, mbox):
GM> That's what I was suggesting checking command-line-args for.
Ah, now I get it.
I guess this will work as long as I don't mind hard-coding in the file's
name. Unless there's a way to also get this?
thanks,
Tom
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bug#4399
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(Sat, 19 Sep 2009 03:25:05 GMT)
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Message #34 received at 4399 <at> emacsbugs.donarmstrong.com (full text, mbox):
reopen 4399
severity 4399 wishlist
retitle 4399 simple way to identify top-level --script file
stop
Tom Tromey wrote:
> I guess this will work as long as I don't mind hard-coding in the file's
> name. Unless there's a way to also get this?
On reflection, it seems a pretty poor solution, so I'll reopen this as
a wishlist.
Summary:
When using --script, it would be nice if there was a simple way for
the file so loaded to identify itself as the "main file", distinct
from any libraries it might require.
(I'd probably just use a hack like:
#!/bin/sh
exec emacs -batch -l test.el -f batch-run-test
but I suppose this is against the spirit of --script)
Did not alter fixed versions and reopened.
Request was from
Debbugs Internal Request <help-debbugs <at> gnu.org>
to
internal_control <at> emacsbugs.donarmstrong.com
.
(Sat, 19 Sep 2009 03:25:07 GMT)
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Severity set to 'wishlist' from 'normal'
Request was from
Glenn Morris <rgm <at> gnu.org>
to
control <at> emacsbugs.donarmstrong.com
.
(Sat, 19 Sep 2009 03:25:07 GMT)
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Changed bug title to 'simple way to identify top-level --script file' from '23.1; let a file know it was run with --script '
Request was from
Glenn Morris <rgm <at> gnu.org>
to
control <at> emacsbugs.donarmstrong.com
.
(Sat, 19 Sep 2009 03:25:07 GMT)
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Information forwarded
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:
bug#4399
; Package
emacs
.
(Mon, 07 Feb 2022 00:55:02 GMT)
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Message #43 received at 4399 <at> debbugs.gnu.org (full text, mbox):
Tom Tromey <tromey <at> redhat.com> writes:
> I was hoping for something like the python idiom:
>
> if __name__ == "__main__":
>
> ... this lets a file determine if it was invoked "as the main program".
>
> My specific use was for tests: I want "emacs --script test.el" to run
> the tests, but I want to be able to load the file just to get the defuns
> without running the test suite.
(I'm going through old bug reports that unfortunately weren't resolved
at the time.)
In my opinion, I think it would be too niche to add a special mechanism
for this. You can use --eval '(setq something-to-react-to t)' --script
... if you want to have different things happening in this case.
So I'm closing this bug report.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
Added tag(s) wontfix.
Request was from
Lars Ingebrigtsen <larsi <at> gnus.org>
to
control <at> debbugs.gnu.org
.
(Mon, 07 Feb 2022 00:56:01 GMT)
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bug closed, send any further explanations to
4399 <at> debbugs.gnu.org and Tom Tromey <tromey <at> redhat.com>
Request was from
Lars Ingebrigtsen <larsi <at> gnus.org>
to
control <at> debbugs.gnu.org
.
(Mon, 07 Feb 2022 00:56:01 GMT)
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bug archived.
Request was from
Debbugs Internal Request <help-debbugs <at> gnu.org>
to
internal_control <at> debbugs.gnu.org
.
(Mon, 07 Mar 2022 12:24:12 GMT)
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This bug report was last modified 2 years and 22 days ago.
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