bash -xv issue with stderr
Configuration Information [Automatically generated, do not change]:
Machine: aarch64
OS: darwin24.0.0
Compiler: clang
Compilation CFLAGS: -DSSH_SOURCE_BASHRC
-DDEFAULT_LOADABLE_BUILTINS_PATH='/opt/homebrew/Cellar/bash/5.2.37/lib/bash:/usr/local/lib/bash:/usr/lib/bash:/opt/local/lib/bash:/usr/pkg/lib/bash:/opt/pkg/lib/bash:.'
uname output: Darwin Christophs-MacBook-Air.local 24.1.0 Darwin Kernel Version
24.1.0: Thu Oct 10 21:05:14 PDT 2024; root:xnu-11215.41.3~2/RELEASE_ARM64_T8103
arm64
Machine Type: aarch64-apple-darwin24.0.0
Bash Version: 5.2
Patch Level: 37
Release Status: release
Description:
Redirecting stderr to file causes output of bash -xv to be writte to
file as well
Repeat-By:
test_bash.sh:
"
test_fun() {
echo "to stderr" >&2
}
test_fun &>out
"
bash -xv test_bash.sh:
"
test_fun() {
echo "to stderr" >&2
}
test_fun &>out
+ test_fun
"
out:
"
+ echo 'to stderr'
to stderr
"
Fix:
bash -xv issue with stderr
Configuration Information [Automatically generated, do not change]:
Machine: aarch64
OS: darwin24.0.0
Compiler: clang
Compilation CFLAGS: -DSSH_SOURCE_BASHRC
-DDEFAULT_LOADABLE_BUILTINS_PATH='/opt/homebrew/Cellar/bash/5.2.37/lib/bash:/usr/local/lib/bash:/usr/lib/bash:/opt/local/lib/bash:/usr/pkg/lib/bash:/opt/pkg/lib/\
bash:.'
uname output: Darwin Christophs-MacBook-Air.local 24.1.0 Darwin Kernel Version
24.1.0: Thu Oct 10 21:05:14 PDT 2024; root:xnu-11215.41.3~2/RELEASE_ARM64_T8103
arm64
Machine Type: aarch64-apple-darwin24.0.0
Bash Version: 5.2
Patch Level: 37
Release Status: release
Description:
Redirecting stderr to file causes output of bash -xv to be writte to
file as well
Repeat-By:
test_bash.sh:
"
test_fun() {
echo "to stderr" >&2
}
test_fun &>out
"
bash -xv test_bash.sh:
"
test_fun() {
echo "to stderr" >&2
}
test_fun &>out
+ test_fun
"
out:
"
+ echo 'to stderr'
to stderr
"
Fix:
Re: bash -xv issue with stderr
On 11/2/24 1:41 PM, monochro...@linuxinlaws.eu wrote: Bash Version: 5.2 Patch Level: 37 Release Status: release Description: Redirecting stderr to file causes output of bash -xv to be writte to file as well That's where the shell writes -v and -x output. -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRUc...@case.eduhttp://tiswww.cwru.edu/~chet/ OpenPGP_signature.asc Description: OpenPGP digital signature
Re: bash -xv issue with stderr
~ $ bash mb.test.3stderr
+ echo foo
exec 3<&2
BASH_XTRACEFD=3
set -x
{
echo foo >&2
} 2>&-
On Sat, Nov 2, 2024, 19:25 wrote:
> Configuration Information [Automatically generated, do not change]:
> Machine: aarch64
> OS: darwin24.0.0
> Compiler: clang
> Compilation CFLAGS: -DSSH_SOURCE_BASHRC
> -DDEFAULT_LOADABLE_BUILTINS_PATH='/opt/homebrew/Cellar/bash/5.2.37/lib/bash:/usr/local/lib/bash:/usr/lib/bash:/opt/local/lib/bash:/usr/pkg/lib/bash:/opt/pkg/lib/\
> bash:.'
> uname output: Darwin Christophs-MacBook-Air.local 24.1.0 Darwin Kernel
> Version 24.1.0: Thu Oct 10 21:05:14 PDT 2024;
> root:xnu-11215.41.3~2/RELEASE_ARM64_T8103 arm64
> Machine Type: aarch64-apple-darwin24.0.0
>
> Bash Version: 5.2
> Patch Level: 37
> Release Status: release
>
> Description:
> Redirecting stderr to file causes output of bash -xv to be writte
> to file as well
>
> Repeat-By:
>
> test_bash.sh:
> "
> test_fun() {
> echo "to stderr" >&2
> }
>
> test_fun &>out
> "
> bash -xv test_bash.sh:
> "
> test_fun() {
> echo "to stderr" >&2
> }
>
> test_fun &>out
> + test_fun
> "
>
> out:
> "
> + echo 'to stderr'
> to stderr
> "
>
> Fix:
>
>
Re: degraded error message in case of hash-bang interpreter error
On 11/2/24 8:43 AM, hmms...@kpnplanet.nl wrote: Bash Version: 5.2 Patch Level: 9 Release Status: release Description: If the interpreter after #! is wrong, a non-informative message prints Repeat-By: "unix2dos bashscript" starting with #!/bin/bash ./bashscript bash: ./bashscript: cannot execute: required file not found This was changed a couple of years ago, as the result of https://lists.gnu.org/archive/html/bug-bash/2022-10/msg00051.html -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRUc...@case.eduhttp://tiswww.cwru.edu/~chet/ OpenPGP_signature.asc Description: OpenPGP digital signature
Re: bash -xv issue with stderr
exec 3<&2
BASH_XTRACEFD=3
set -x
{
echo foo >&2
} 2>&-
replace &- with file to out log the echo
On Sat, Nov 2, 2024, 20:37 wrote:
> Configuration Information [Automatically generated, do not change]:
> Machine: aarch64
> OS: darwin24.0.0
> Compiler: clang
> Compilation CFLAGS: -DSSH_SOURCE_BASHRC
> -DDEFAULT_LOADABLE_BUILTINS_PATH='/opt/homebrew/Cellar/bash/5.2.37/lib/bash:/usr/local/lib/bash:/usr/lib/bash:/opt/local/lib/bash:/usr/pkg/lib/bash:/opt/pkg/lib/bash:.'
> uname output: Darwin Christophs-MacBook-Air.local 24.1.0 Darwin Kernel
> Version 24.1.0: Thu Oct 10 21:05:14 PDT 2024;
> root:xnu-11215.41.3~2/RELEASE_ARM64_T8103 arm64
> Machine Type: aarch64-apple-darwin24.0.0
>
> Bash Version: 5.2
> Patch Level: 37
> Release Status: release
>
> Description:
> Redirecting stderr to file causes output of bash -xv to be writte
> to file as well
>
> Repeat-By:
>
> test_bash.sh:
> "
> test_fun() {
> echo "to stderr" >&2
> }
>
> test_fun &>out
> "
> bash -xv test_bash.sh:
> "
> test_fun() {
> echo "to stderr" >&2
> }
>
> test_fun &>out
> + test_fun
> "
>
> out:
> "
> + echo 'to stderr'
> to stderr
> "
>
> Fix:
>
>
>
Re: bash -xv issue with stderr
i think ..
BASH_XTRACEFD=3
.. alone may also do ..
u try ..
On Sat, Nov 2, 2024, 20:55 #!microsuxx wrote:
> exec 3<&2
> BASH_XTRACEFD=3
> set -x
> {
> echo foo >&2
> } 2>&-
>
> replace &- with file to out log the echo
>
> On Sat, Nov 2, 2024, 20:37 wrote:
>
>> Configuration Information [Automatically generated, do not change]:
>> Machine: aarch64
>> OS: darwin24.0.0
>> Compiler: clang
>> Compilation CFLAGS: -DSSH_SOURCE_BASHRC
>> -DDEFAULT_LOADABLE_BUILTINS_PATH='/opt/homebrew/Cellar/bash/5.2.37/lib/bash:/usr/local/lib/bash:/usr/lib/bash:/opt/local/lib/bash:/usr/pkg/lib/bash:/opt/pkg/lib/bash:.'
>> uname output: Darwin Christophs-MacBook-Air.local 24.1.0 Darwin Kernel
>> Version 24.1.0: Thu Oct 10 21:05:14 PDT 2024;
>> root:xnu-11215.41.3~2/RELEASE_ARM64_T8103 arm64
>> Machine Type: aarch64-apple-darwin24.0.0
>>
>> Bash Version: 5.2
>> Patch Level: 37
>> Release Status: release
>>
>> Description:
>> Redirecting stderr to file causes output of bash -xv to be writte
>> to file as well
>>
>> Repeat-By:
>>
>> test_bash.sh:
>> "
>> test_fun() {
>> echo "to stderr" >&2
>> }
>>
>> test_fun &>out
>> "
>> bash -xv test_bash.sh:
>> "
>> test_fun() {
>> echo "to stderr" >&2
>> }
>>
>> test_fun &>out
>> + test_fun
>> "
>>
>> out:
>> "
>> + echo 'to stderr'
>> to stderr
>> "
>>
>> Fix:
>>
>>
>>
degraded error message in case of hash-bang interpreter error
Configuration Information [Automatically generated, do not change]: Machine: x86_64 OS: linux-gnu Compiler: gcc Compilation CFLAGS: -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection uname output: Linux lap2.home 6.0.9-300.fc37.x86_64 #1 SMP PREEMPT_DYNAMIC Wed Nov 16 17:36:22 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux Machine Type: x86_64-redhat-linux-gnu Bash Version: 5.2 Patch Level: 9 Release Status: release Description: If the interpreter after #! is wrong, a non-informative message prints Repeat-By: "unix2dos bashscript" starting with #!/bin/bash ./bashscript bash: ./bashscript: cannot execute: required file not found Before version 5.2: ./bashscript bash: ./bashscript: /bin/bash^M: bad interpreter: No such file or directory Fix: Probably some code has to be moved in execute_cmd.c
