I am on vacation and just skimmed this long thread so I might have
missed some of the context but I wanted throw out that I recently wrote
a loadable plugin that among other things, can convert JSON to and from
bash arrays.
Anyone interested can check it out at these git repos.
https://github
On 8/8/22 16:38, Robert Elz wrote:
There's no need for anything to make that work, when the trap action
starts running $? is set to whatever it was just previously, and the
code there can save and/or use that value however it sees the need.
Well I'll be. I had to write a script to test it becaus
Understanding now that traps are more literally like inserting an eval,
what makes return in the top level trap string special is that there are
two script paths behind it so its reasonable the the coder of the trap
to ask from which last statement do I want to preserve the exit code.
The shell
On 8/6/22 14:44, Robert Elz wrote:
... bash allows a return in the trap string (not in a function called in that
string) if the
trap occurs while executing a function (then the return applies to that
function). ...
Yes! that is what I was missing. Years ago when I wrote my debugger, I
must hav
Hmmm.. I just got confused when I went to do a test...
$ trap 'echo hi; return' SIGUSR2
$ kill -SIGUSR2 $$
hi
bash: return: can only `return' from a function or sourced script
$ $ echo $BASH_VERSION
5.0.17(1)-release
I also confirmed the same error in the DEBUG trap where you s
On 8/5/22 21:49, Koichi Murase wrote:
2022年8月3日(水) 21:19 Robert E. Griffith :
That was an interesting read. The illuminating point for me was the
statement to the effect of "the POSIX specification is not meant to
describe what it correct or rational, but what historically has been
implem
redictable. Its
a bit harder for you since your users will attribute these problems to you.
--BobG
On 8/2/22 18:06, Koichi Murase wrote:
2022年8月3日(水) 5:57 Chet Ramey :
On 8/2/22 4:18 PM, Robert E. Griffith wrote:
Is there a reason why POSIX would want the return behavior to of function
do
https://getyarn.io/yarn-clip/cea30edb-a7a6-465b-bc51-3d53d9281447
It was worth the wait:)
--BobG
On 8/2/22 16:57, Chet Ramey wrote:
On 8/2/22 4:18 PM, Robert E. Griffith wrote:
The first (getyarn...) link renders as a blank page for me. What it
is supposed to be?
https://getyarn.io/yarn
ote:
On 8/2/22 3:38 PM, Robert E. Griffith wrote:
Is it known behavior that return without a parameter will not set the exit
code from the last command when called from the EXIT trap?
https://getyarn.io/_nuxt/f66cb012eec875e1f9262fd77ecdf31e.svg
https://lists.gnu.org/archive/html/bug-bash/2020-0
Is it known behavior that return without a parameter will not set the
exit code from the last command when called from the EXIT trap?
$ cat -n exitReturnBug.sh
1 #!/usr/bin/bash
2 function shouldReturnFalse() {
3 false
4
I just finished reading that 2018 discussion and the current discussion.
Its hard for me to understand why this is an issue. kre's use case was
unset X
y=$X
He called it 'braindead' for it to do anything expect to assign
NULL/empty to Y but I think that is far from true. If he's thinking
>> That seems reasonable. I'll add it.
Cool, thanks.
--BobG
On 5/2/22 16:47, Chet Ramey wrote:
On 5/2/22 4:03 PM, Robert E. Griffith wrote:
>> What's your use case?
I have a bash script library that supports Objects and Classes in
bash script. I am now writing a loa
#x27;"
}
declare -A spot; ConstructObject Dog spot "Spot"
declare -A whiskers; ConstructObject Cat whiskers "Whiskers"
$spot.speak
$whiskers.speak
$ bash /tmp/test.sh
Spot says 'woof'
Whiskers says 'meow'
On 5/2/22 15
"execute_cmd.h" is not listed in the INSTALLED_HEADERS macro which
determines which headers are included for the install-headers target.
Is it problematic for a loadable builtin to execute shell functions or
is it maybe an oversight that that header is not included? If I build
against the full
make_local_variable("this",att_nameref);
this = bind_variable_value(this, pObj->vThis->name, 0);
..then in script...
declare -p this
..output..
declare -- this="myObj"
--BobG
On 4/14/22 12:59, Jesse Hathaway wrote:
On Thu, Apr 14, 2022 at 11
I am developing a loadable builtin and I have a question about building
it for distribution.
I am currently building it in the "Bash-5.0 patch 17" git commit and it
works fine when I run it in the bash executable built from that same
commit (5.0.17(4)) but it fails when I run it in the bash fr
Configuration Information [Automatically generated, do not change]:
Machine: x86_64
OS: linux-gnu
Compiler: gcc -I/home/abuild/rpmbuild/BUILD/bash-4.4
-L/home/abuild/rpmbuild/BUILD/bash-4.4/../readline-7.0
Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='x86_64'
-DCONF_OSTYPE='linux-gnu' -
On Fri, 18 Oct 2019 18:17:27 +0330, Behrooz Amoozad stated:
>I'm not sure if this even fits here, but it would be really nice if the
>default bashrc included DOTNET_CLI_TELEMETRY_OPTOUT='true'.
>Currently, After installing microsoft .net framework, it has telemetry
>enabled by default and it works
On Wed, May 30, 2018 at 04:59:15PM +0200, Christian Weisgerber wrote:
> Marty E. Plummer:
>
> > Maintainers, I'd really like to hear your thoughts on this matter. If
> > the diffs are produced as -p1 unified diffs, then downstreams who do
> > convert from -p0 conte
On Wed, May 30, 2018 at 09:15:04AM -0400, Chet Ramey wrote:
> On 5/29/18 8:25 PM, Marty E. Plummer wrote:
>
> >> If people are willing to do the conversion between patch formats for their
> >> own purposes, more power to them. I don't see any compelling reason to
On Wed, May 30, 2018 at 10:30:10AM +0200, Emanuel Haupt wrote:
> "Marty E. Plummer" wrote:
> > On Wed, May 30, 2018 at 10:42:27AM +0800, Clark Wang wrote:
> > > On Wed, May 30, 2018 at 8:25 AM, Marty E. Plummer
> > > wrote:
> > >
> > >
On Wed, May 30, 2018 at 10:42:27AM +0800, Clark Wang wrote:
> On Wed, May 30, 2018 at 8:25 AM, Marty E. Plummer
> wrote:
>
> > > If people are willing to do the conversion between patch formats for
> > their
> > > own purposes, more power to them. I d
On Tue, May 29, 2018 at 11:05:45AM -0400, Chet Ramey wrote:
> On 5/19/18 9:46 AM, Marty E. Plummer wrote:
> > Greetings,
> >
> > In doing some research into ways to better improve the gentoo ebuild qa,
> > I ran across the fact that the official bash patches are provide
Greetings,
In doing some research into ways to better improve the gentoo ebuild qa,
I ran across the fact that the official bash patches are provided as
-p0, context diffs.
I was hoping I could convince you to convert to -p1, unified diffs, such
as are produced by diff -u or git format-patch, for
Hello,
In Bash 4.3.42:
In execute_cmd/shell_execve(), if HAVE_BASH_BANG_EXEC is defined, the
macro READ_SAMPLE_BUF has the potential to set sample_len to -1.
#if defined (HAVE_HASH_BANG_EXEC)
READ_SAMPLE_BUF (command, sample, sample_len);
sample[sample_len - 1] = '\0';
Th
Hello,
Thanks for pointing out the fix. I've tried the "devel" branch, and couldn't
reproduce the bug there.
Sorry for the disturbance, I should have checked whether the master branch
really represents the bleeding edge of development.
19.07.2015, 03:53, "Eduardo A. Bustamante López" :
> Hello
Hello,
I've noticed a bug with terminal usage of bash.
Steps to reproduce:
1. Press control-r to get in reverse-i-search mode
2. Enter a key outside of the ASCII character set, like the french é or the
german ä.
3. Press backspace.
What to expect:
The key gets removed.
What happens:
Instead of
On 3/7/2015 10:59 AM, Eric Robertson wrote:
In any case, the abort message from the OpenVMS C compiler was as follows:
CC/name=(as_i,shor)/repo=lcl_root:[bash.cxx_repository]/debu/list/mach/show=(EXPA,INC)/prefix=(all,exce=(strtoimax,strtoumax))/neste
d=none/define=(_USE_STD_STAT=1,_POSIX_EXI
On 10/6/2014 6:43 AM, Chet Ramey wrote:
On 10/6/14, 1:35 AM, tsugutomo.en...@jp.sony.com wrote:
Hi,
+ char *
+ parser_remaining_input ()
+ {
+ if (shell_input_line == 0)
+ return 0;
+ if (shell_input_line_index < 0 || shell_input_line_index >=
shell_input_line_len)
+ return '\0';
On 9/27/2014 6:49 PM, Mark Goldfinch wrote:
Hi everyone,
Can someone clarify to me why y.tab.c is included within the bash source
tree if it is generated from parse.y?
Not all platforms have up to date tools for generating y.tab.c from parse.y.
Seeing that it appears likely we're going to e
The GNV team is pleased to announce that BASH 4.2.45 is now available
for OpenVMS at the GNV site.
GNV is the GNU on VMS project.
Thanks to extensive work by Eric Robertson and feedback from testers of
the previous Bash 4.2.39 port, this is the most accurate and functional
port of Bash to VMS ye
On 12/20/2012 9:36 AM, Chet Ramey wrote:
On 12/16/12 10:51 AM, John E. Malmberg wrote:
For those that want to look at the source, you can examine or check out the
OpenVMS specific changes in the http://gnv.cvs.sourceforge.net/gnv/ cvs
tree from the gnu_vms/bash tree with the cvs tag gnv-bash
bash-bugs e-mail address. The bashbug script was
not provided as with these kits as it could not be made to run on
OpenVMS due to issues with the native VMS editors.
OpenVMS specific bugs should be reported to the tracker at
https://sourceforge.net/projects/gnv/
The build procedure only uses
The execute_cmd.c module uses make_command_string() as a parameter to
the savestring() macro.
This causes the savestring() macro to call that function twice().
I have not done any timing tests to see how this is impacting
performance, but it definitely shows up when stepping through commands
On 9/9/2012 7:52 PM, Gregory M. Turner wrote:
The enclosed patch fixes (or tries to fix) the inability to glob for
executable files on cygwin without the ".exe" suffix. This is required
because cygwin has a hack to behave as though foo and foo.exe both exist
as hardlinks to the same file, but un
Hello all,
The header file sys/param.h is not checked for by configure and is not
provided by the VMS environment.
I have worked around this issue by having the VMS specific build script
create an empty substitute file.
The HP VMS Engineering team has indicated a willingness to add the
sys
Hello Bash-bugs,
The patch bash42-018 to allow execute_cmd.c that is supposed to allow it
to compile with out JOB_CONTROL defined has a bug in it.
It is leaving the lastpipe_flag uninitialized. This is a problem
because later in the module it is tested.
*** ../bash-4.2-patched/execute_cmd.
The existing port of Bash for VMS claims to be 1.4.8, which as near as I
can tell must be based on 1.4.7, as I do not see a 1.4.8 in the download
section.
What they did to work around that VMS does not have a fork() call, is to:
Make a copy of several global variables and structures.
S
On 6/4/2012 8:05 AM, Chet Ramey wrote:
On 6/2/12 7:51 PM, John Malmberg wrote:
The lib/sh/mktime.c module has a VMS specific include of to
pick up time_t.
No, it doesn't. VMS systems include.
I see I read it wrong.
On VMS, the time_t type is defined in the module.
So this VMS specific
On 5/29/2012 7:12 AM, Chet Ramey wrote:
On 5/28/12 11:32 AM, John E. Malmberg wrote:
https://bugzilla.redhat.com/show_bug.cgi?id=825751
bash-4.2.24-1.fc16.i686
Please take a look at
http://git.savannah.gnu.org/cgit/bash.git/log/?h=direxpand
and see if that behaves the way you like.
Thanks
https://bugzilla.redhat.com/show_bug.cgi?id=825751
bash-4.2.24-1.fc16.i686
Steps to Reproduce:
1. Activate a terminal running a bash shell
2. ls $HOME/
3.
Actual results:
ls \$HOME/
I get the directory get expanded result on Bash 1.4.8 (VMS special
build) and on Bash 3.2.25(1)-release.
Rega
The lib/glob/ndir.h file has some VMS specific code in it.
That header file is not used by VMS in building bash.
Even if it where to be used, the code is out of date and would not work
on current versions of VMS.
I recommend removing the VMS specific code from that file.
Regards,
-John
wb8ty
I posted this to the gmane.comp.shells.bash.bugs newsgroup two days ago,
but have not seen any response.
Are postings to there by non-subscribers not making to the mailing list?
On 10/10/2011 10:44 PM, John E. Malmberg wrote:
In the bash 4.2 source:
jobs.c is not checking HAVE_SYS_PARAM_H
In the bash 4.2 source:
jobs.c is not checking HAVE_SYS_PARAM_H.
This prevents it from compiling on VMS which does not supply this header.
Regards,
-John
wb8tyw@qsl.network
Personal Opinion Only
$ diff -ub a/jobs.c b/jobs.c
--- a/jobs.c 2011-09-26 22:28:17.0 -0500
+++ b/jobs.c
Hello,
I and others are working on updating the bash port on VMS the current
version of Bash.
As this port can not depend the pre-existence of Bash or other common
tools, I will end up with a number of additional VMS specific files.
This includes build scripts and various helper modules, and
Hi all,
This is not a bash bug, but I am hoping the people on this list would
find the question interesting...
I have found it useful to have a "script-relative" version of
/usr/bin/env. Whereas env determines an interpreter's location based
on PATH, this version would determine the interpreter's
With bash is there any difference between the expressions ${1+"$@"} and "$@"?
Is there any difference with other sh-like shells?
Thanks,
ER
I've been trying to get a function called from PS1 to set a variable, e.g.:
num=1
function xyz {
((num++))
date; echo "num: $num"
}
PS1="\$(xyz): "
In this example, the global value of num doesn't change if it is
called from PS1. However num does get incremented if xyz is called
directly.
Is
Perhaps I'm missing something obvious here, but I'm trying to figure out an
efficient way to search a large array in bash (I'm using bash 4.1 because I
needed to use associative arrays)
Given an array that contains alphanumeric strings, I want to create a
smaller array of those elements that matc
"; fi
This does not match either (more like the line in my broken shell
script)
xp=310; if [[ $xp =~ "[0-9][0-9]*" ]]; then echo "$xp matched"; else
echo "$xp not matched"; fi
This message was generated with openeSUSE 11.0 Linux and sent with
Thunderbird.
Best regards - John E. Wulff
./configure script, in this ifndef line, and thus is never
defined)
Repeat-By:
./configure (on linux with glibc)
Fix:
Replace SYS_SIGLIST_DECLARED with HAVE_DECL_SYS_SIGLIST
in aclocal.m4, rerun autoconf
I understand that _sys_siglist is
./configure (on linux with glibc)
Fix:
Replace SYS_SIGLIST_DECLARED with HAVE_DECL_SYS_SIGLIST
in aclocal.m4, rerun autoconf
I understand that _sys_siglist is found and that on glibc systems,
it is the same thing, so this bug is not very harmful.
-
Consider the following program:
#!/usr/local/bin/bash --norc
export VAR=A
function setvar
{
VAR=B
echo X
}
V=$(setvar)
echo $VAR
When I execute it, I get as result "A", not "B", as I had expected.
If setvar would be an external program, I would understand the result,
as this would have to be
> What about in your login (.bash_profile, etc) exporting a
> variable, say
> ROOT_PID=$$ and having a command/function/alias 'kill -s SIGHUP
> $ROOT_PID'? This is equivalent to killing the rlogin connection, but
> should clean up nicely if all you have are shells.
Excellent idea! Thank you fo
> >(1) rlogin to a foreign host
> >(2) Invoke a subshell (for example because I'm setting a
> Clearcase
> > View)
> >(3) Logout from the host
> >
> > Step (3) needs two steps: First I have to type 'exit' to leave the
> > subshell, and then either 'exit' or 'logout' to leave the
> log
> > I can't use traps here, because I know only at "exit time", whether
> > I want to logout completely, or just go up one level.
>
> $ call_and_exit() { "$@"; if test $? -eq 42; then exit; fi; }
> $ call_and_exit cleartool ...
> $ exit 42
This looks clever. Maybe one should use "exit 42" too in
> >(1) rlogin to a foreign host
> >(2) Invoke a subshell (for example because I'm setting a
> Clearcase
> > View)
>
> Is it a subshell or a second-level shell? (In the first case, $$ and
> $PPID remain the same.)
Could you kindly explain the difference? I thought it's always the
same - a
> >rlogin foobar
> >DO SOME STUFF
> >cleartool setview myview # this creates a subshell
> >DO MORE STUFF
> >cleartool setview yourview # now I'm two subshells deep
> >DO STILL MORE STUFF
> ># Now I want to exit
> >exit
> >exit
> >logout
> >
> > I would like t
> How about
> function rlogin() {command rlogin "$@"; exit}
> ?
H I don't see how this could help me. Actually, your
solution would EXIT the shell I came from, after the login
has finished!! So I not only have to type all the "exit"s on
the remote host, I would even loose my current shell
Does someone know how to deal with the following situation?
Very often I do the following pattern:
(1) rlogin to a foreign host
(2) Invoke a subshell (for example because I'm setting a Clearcase
View)
(3) Logout from the host
Step (3) needs two steps: First I have to type 'exit' to leav
> Com MN PG P E B Consultant 3 wrote:
> > (PID) Terminated tail -f file >outfile
> > Is there a way to suppress this message? (bash 2.05b)
>
> Use:
> set +m
> Why is monitor set for your script? That would only be typical for
> interactive s
My bash program basically does:
tail -f file >outfile &
killpid=$!
...
kill $killpid >/dev/null 2>&1
...
Still I get the message
(PID) Terminated tail -f file >outfile
at the end of my script.
Is there a way to suppress this message? (bash 2.05b)
Ronald
--
Ronald Fi
> > $ unalias fooee 2>&1 >/dev/null
> > bash: unalias: fooee: not found
> >
> > Why is the error message displayed here?
>
> Because you have redirected stderr (fd 2) to the channel connected to
> stdout (fd 1) before stdout was redirected to a different channel (to
> /dev/null).
Of course! Stupi
$ unalias fooee 2>&1 >/dev/null
bash: unalias: fooee: not found
Why is the error message displayed here? Because of the redirection,
I had expected that any error message resulting from the unalias
command would go to /dev/null
Ronald
--
Ronald Fischer (phone +49-89-63676431)
mailto:[EMAIL PROTE
With bash 2.05b (unfortunately I have no access to a more recent
version) under
Linux, there is a strange error, which can be demonstrated with the
following
script - let's call it "segv":
#!/bin/bash --norc
schodo=""
fgrep -q <<<$schodo
If this script is executed, I get the following er
I don't see how to enable the 'realpath' builtin:
$ enable realpath
bash: enable: realpath: not a shell builtin
I'm running bash 2.05b.0(1), so realpath should be
a loadable builtin here, isn't it?
Ronald
___
Bug-bash mailing list
Bug-bash@gnu.org
h
> > (1) yank 0th arg, similar to yank-last-arg, but copies the
> command part
> > of the previous line
> > into the current buffer. Example: The previous line was
> >
> > /usr/local/bin/perl myprog.pl
> >
> > then yank-0th-arg should insert /usr/local/bin/perl into the buffer.
>
> M-0 M-. (digi
> Try echo "$e". Then read about Word Splitting in the Bash manual.
Good point. Since no word splitting occurs within "$e", it is
expanded to a string containing newlines:
$ echo $e # Expansion without quotes -> word splitting
x sub: f
$ echo "$e"
While hunting a bug in my script, I stumbled over an effect involving
the usage of
backquote and grep, which completely puzzles me. To reproduce the
effect, execute
first the following four commands, which create a small directory tree
in your
working directory and set the bash variable &#
I would find the following two functions useful in bash command line
editing; is it possible
to simulate them somehow with the current bash version, or would this
have to be a new feature
in a future version of bash?
(1) yank 0th arg, similar to yank-last-arg, but copies the command part
of the pr
own Cygwin
Machine Type: i686-pc-cygwin
Bash Version: 3.1
Patch Level: 1
Release Status: release
Description:
Repeat-By:
Fix:
Read below.
Hannu E K Nevalainen wrote:
> New year greetings from Sweden!
>
> Below you find an issue that I have no intention/wish to discuss
> further, I
New year greetings from Sweden!
Below you find an issue that I have no intention/wish to discuss further, I
just wish to bring it forth to make it get a "known issue" status. Reply-to
set to bug-bash
Expected result:
$ echo "a b c d e f g" | \
( while read first second
> "Com MN PG P E B Consultant 3"
> <[EMAIL PROTECTED]> wrote:
> > echo THIS DOES NOT WORK
> > foo=$(cat exp_test < > V=1234
> > abcd
> > BAD
>
> 0. Since you passed a file name to cat, it will ignore stdin.
> 1. Since the here-docume
Is this a bug, or just my misunderstanding about the scope of the "HERE"
operator (<<)?
Consider the following program:
echo THIS WORKS
cat
> Did `echo $INPUTRC' display anything?
THAT WAS IT! THAT WAS IT! THANK YOU SO MUCH!
This variable was set (maybe by some malevolent sysadmin) to
/etc/inputrc.
It still puzzles me why bash, despite of this, was able to see the
keybindings
I had defined in *my* ~/.inputrc; maybe readline always t
> 1. Are you sure your inputrc is being read?
Yes, I had verified this in two ways: First I have changed some of the
character
bindings in my .inputrc, and then I have typed Ctrl-X Crtl-R on the
shell prompt.
The effect was that my character binding had changed, but the completion
behaviour
was
> > In my .inputrc I have:
> >
> > set print-completions-horizontally on
> > set show-all-if-ambiguous on
> I cannot reproduce it. Do you use the programmable completion
> package? I rarely use it (and can't check it right now).
I don't know which completion package is installed (how can I
In my .inputrc I have:
set print-completions-horizontally on
set show-all-if-ambiguous on
Despite of this, I have to type TWICE to get the completions
listed. Is there a bug in the completion system, or do I miss yet
another option?
I'm using bash 2.05b (unfortunately, upgrading to 3.x is n
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