Re: man-page-6.10 make share/mk/src/sh.mk:16: *** unterminated call to function 'shell': missing ')'

Re: man-page-6.10 make share/mk/src/sh.mk:16: *** unterminated call to function 'shell': missing ')'

[Alejandro Colomar]

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[CC += linux-man@]

Hi Boris,

I realized the mailing list wasn't CCd.  I've added it to CC now.

On Sun, Feb 09, 2025 at 09:40:16PM +0100, Boris Pigin wrote:
> Bash and make

Hummm.  I don't see why it would fail on bash and (assuming GNU) make.
Especially if previous versions of man-pages releases worked well.

> On 2/9/25 21:38, Boris Pigin wrote:
> > 
> > Hi Alex,
> > 
> > I'm on Funtoo.

I've also added Sam James to CC, in case he knows anything.

> > On 2/9/25 18:43, Alejandro Colomar wrote:
> > > Hi Boris,
> > > 
> > > On Sun, Feb 09, 2025 at 05:13:51PM +0100, Boris Pigin wrote:
> > > > Hello Alejandro,
> > > > 
> > > > I see here a problem with the man-page-6.10. If I call make I get the
> > > > following error
> > > > I downloaded the package from
> > > > https://www.kernel.org/pub/linux/docs/man-pages/man-pages-6.10.tar.xz
> > > > I don't see the problem with the earlier version e.g. 6.9, 6.9.1.
> > > > 
> > > > '''
> > > >   ╰ $ pwd
> > > > /home/user/src/man-pages-6.10
> > > >   ╰ $ make
> > > > /home/user/src/man-pages-6.10/share/mk/src/sh.mk:16: *** unterminated call
> > > > to function 'shell': missing ')'.  Stop.
> > > > '''
> > > Hmmm, I can't reproduce the problem.  Could you please run the following
> > > commands?  Also, could you detail what's your shell, and what's your
> > > make(1), and what's your OS?  Let's see if we can learn why that's
> > > happening.
> > > 
> > > alx@devuan:~/tmp/foo$ wget https://kernel.org/pub/linux/docs/man-pages/man-pages-6.10.tar.gz >/dev/null 2>&1
> > > alx@devuan:~/tmp/foo$ ls
> > > man-pages-6.10.tar.gz
> > > alx@devuan:~/tmp/foo$ tar xf man-pages-6.10.tar.gz
> > > alx@devuan:~/tmp/foo$ rm man-pages-6.10.tar.gz
> > > alx@devuan:~/tmp/foo$ ls
> > > man-pages-6.10
> > > alx@devuan:~/tmp/foo$ cd man-pages-6.10/
> > > alx@devuan:~/tmp/foo/man-pages-6.10$ make | wc -l; echo $?
> > > 2965
> > > 0
> > > alx@devuan:~/tmp/foo/man-pages-6.10$ make
> > > alx@devuan:~/tmp/foo/man-pages-6.10$

Can you run exactly these commands?  I'm puzzled.


Have a lovely night!
Alex

-- 
<https://www.alejandro-colomar.es/>

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Re: man-page-6.10 make share/mk/src/sh.mk:16: *** unterminated call to function 'shell': missing ')'

[Boris Pigin]

Hi Alex,

as my email was rejected by the mailing list due to containing HTML part 
here is the second try.

  ╭─ 🐺 borisp@blacksun  bash 5.2.37  🕑09:46:35  🖿 ~ 🧬 📦 🐾1
  ╰ $ rm test/
rm: cannot remove 'test/': Is a directory

  ╭─ 🐺 borisp@blacksun  bash 5.2.37  🕑09:46:40  🖿 ~ 🧬 📦 🐾2
  ╰ $ rm -rf test/

  ╭─ 🐺 borisp@blacksun  bash 5.2.37  🕑09:46:44  🖿 ~ 🧬 📦 🐾3
  ╰ $ mkdir test

  ╭─ 🐺 borisp@blacksun  bash 5.2.37  🕑09:46:47  🖿 ~ 🧬 📦 🐾4
  ╰ $ cd test

  ╭─ 🐺 borisp@blacksun  bash 5.2.37  🕑09:46:50  🖿 ~/test 🧬 📦 🐾5
  ╰ $ wget 
https://kernel.org/pub/linux/docs/man-pages/man-pages-6.10.tar.gz 
 >/dev/null 2>&1

  ╭─ 🐺 borisp@blacksun  bash 5.2.37  🕑09:47:03  🖿 ~/test 🧬 📦 🐾6
  ╰ $ ls
man-pages-6.10.tar.gz

  ╭─ 🐺 borisp@blacksun  bash 5.2.37  🕑09:47:09  🖿 ~/test 🧬 📦 🐾7
  ╰ $ tar xf man-pages-6.10.tar.gz

  ╭─ 🐺 borisp@blacksun  bash 5.2.37  🕑09:47:17  🖿 ~/test 🧬 📦 🐾8
  ╰ $ rm man-pages-6.10.tar.gz

  ╭─ 🐺 borisp@blacksun  bash 5.2.37  🕑09:47:22  🖿 ~/test 🧬 📦 🐾9
  ╰ $ ls
man-pages-6.10

  ╭─ 🐺 borisp@blacksun  bash 5.2.37  🕑09:47:26  🖿 ~/test 🧬 📦 🐾10
  ╰ $ cd man-pages-6.10/

  ╭─ 🐺 borisp@blacksun  bash 5.2.37  🕑09:47:31  🖿 
~/test/man-pages-6.10 🧬 📦 🐾11
  ╰ $ make | wc -l; echo $?
/home/borisp/test/man-pages-6.10/share/mk/src/sh.mk:16: *** unterminated 
call to function 'shell': missing ')'.  Stop.
0
0

  ╭─ 🐺 borisp@blacksun  bash 5.2.37  🕑09:47:37  🖿 
~/test/man-pages-6.10 🧬 📦 🐾12
  ╰ $ make
/home/borisp/test/man-pages-6.10/share/mk/src/sh.mk:16: *** unterminated 
call to function 'shell': missing ')'.  Stop.

  ╭─ 🐺 borisp@blacksun  bash 5.2.37  🕑09:47:43  🖿 
~/test/man-pages-6.10 🧬 📦 🐾13
  ╰ $ bash -version
GNU bash, version 5.2.37(1)-release (x86_64-pc-linux-gnu)
Copyright (C) 2022 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later 
<http://gnu.org/licenses/gpl.html>

This is free software; you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

  ╭─ 🐺 borisp@blacksun  bash 5.2.37  🕑09:50:38  🖿 
~/test/man-pages-6.10 🧬 📦 🐾14
  ╰ $ make -version
GNU Make 4.2.1
Built for x86_64-pc-linux-gnu
Copyright (C) 1988-2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later 
<http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

  ╭─ 🐺 borisp@blacksun  bash 5.2.37  🕑09:50:45  🖿 
~/test/man-pages-6.10 🧬 📦 🐾15


Best wishes
Boris

On 2/9/25 22:27, Alejandro Colomar wrote:
> [CC += linux-man@]
>
> Hi Boris,
>
> I realized the mailing list wasn't CCd.  I've added it to CC now.
>
> On Sun, Feb 09, 2025 at 09:40:16PM +0100, Boris Pigin wrote:
>> Bash and make
> Hummm.  I don't see why it would fail on bash and (assuming GNU) make.
> Especially if previous versions of man-pages releases worked well.
>
>> On 2/9/25 21:38, Boris Pigin wrote:
>>> Hi Alex,
>>>
>>> I'm on Funtoo.
> I've also added Sam James to CC, in case he knows anything.
>
>>> On 2/9/25 18:43, Alejandro Colomar wrote:
>>>> Hi Boris,
>>>>
>>>> On Sun, Feb 09, 2025 at 05:13:51PM +0100, Boris Pigin wrote:
>>>>> Hello Alejandro,
>>>>>
>>>>> I see here a problem with the man-page-6.10. If I call make I get the
>>>>> following error
>>>>> I downloaded the package from
>>>>> https://www.kernel.org/pub/linux/docs/man-pages/man-pages-6.10.tar.xz
>>>>> I don't see the problem with the earlier version e.g. 6.9, 6.9.1.
>>>>>
>>>>> '''
>>>>>    ╰ $ pwd
>>>>> /home/user/src/man-pages-6.10
>>>>>    ╰ $ make
>>>>> /home/user/src/man-pages-6.10/share/mk/src/sh.mk:16: *** unterminated call
>>>>> to function 'shell': missing ')'.  Stop.
>>>>> '''
>>>> Hmmm, I can't reproduce the problem.  Could you please run the following
>>>> commands?  Also, could you detail what's your shell, and what's your
>>>> make(1), and what's your OS?  Let's see if we can learn why that's
>>>> happening.
>>>>
>>>> alx@devuan:~/tmp/foo$ wget https://kernel.org/pub/linux/docs/man-pages/man-pages-6.10.tar.gz >/dev/null 2>&1
>>>> alx@devuan:~/tmp/foo$ ls
>>>> man-pages-6.10.tar.gz
>>>> alx@devuan:~/tmp/foo$ tar xf man-pages-6.10.tar.gz
>>>> alx@devuan:~/tmp/foo$ rm man-pages-6.10.tar.gz
>>>> alx@devuan:~/tmp/foo$ ls
>>>> man-pages-6.10
>>>> alx@devuan:~/tmp/foo$ cd man-pages-6.10/
>>>> alx@devuan:~/tmp/foo/man-pages-6.10$ make | wc -l; echo $?
>>>> 2965
>>>> 0
>>>> alx@devuan:~/tmp/foo/man-pages-6.10$ make
>>>> alx@devuan:~/tmp/foo/man-pages-6.10$
> Can you run exactly these commands?  I'm puzzled.
>
>
> Have a lovely night!
> Alex
>

Re: man-page-6.10 make share/mk/src/sh.mk:16: *** unterminated call to function 'shell': missing ')'

[Alejandro Colomar]

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Hi Boris,

On Mon, Feb 10, 2025 at 09:56:40AM +0100, Boris Pigin wrote:
> Hi Alex,
> 
> as my email was rejected by the mailing list due to containing HTML part
> here is the second try.

[...]

>  ╭─ 🐺 borisp@blacksun  bash 5.2.37  🕑09:50:38  🖿 ~/test/man-pages-6.10 🧬
> 📦 🐾14
>  ╰ $ make -version
> GNU Make 4.2.1
> Built for x86_64-pc-linux-gnu
> Copyright (C) 1988-2016 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later
> <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.

This seems to be the problem.  I hadn't used such an old version of
make(1) in a long time.  I've been able to reproduce the problem in a
Docker container with Debian Buster.

	root@b3cfb66d7016:/# wget https://kernel.org/pub/linux/docs/man-pages/man-pages-6.10.tar.gz >/dev/null 2>&1
	root@b3cfb66d7016:/# ls
	bin   dev  home  lib64			media  opt   root  sbin  sys  usr
	boot  etc  lib	 man-pages-6.10.tar.gz	mnt    proc  run   srv	 tmp  var
	root@b3cfb66d7016:/# tar xf man-pages-6.10.tar.gz 
	root@b3cfb66d7016:/# rm man-pages-6.10.tar.gz 
	root@b3cfb66d7016:/# ls
	bin   dev  home  lib64		 media	opt   root  sbin  sys  usr
	boot  etc  lib	 man-pages-6.10  mnt	proc  run   srv   tmp  var
	root@b3cfb66d7016:/# cd man-pages-6.10/
	root@b3cfb66d7016:/man-pages-6.10# make | wc -l; echo $?
	/man-pages-6.10/share/mk/src/sh.mk:16: *** unterminated call to function 'shell': missing ')'.  Stop.
	0
	0
	root@b3cfb66d7016:/man-pages-6.10# cat /etc/os-release 
	PRETTY_NAME="Debian GNU/Linux 10 (buster)"
	NAME="Debian GNU/Linux"
	VERSION_ID="10"
	VERSION="10 (buster)"
	VERSION_CODENAME=buster
	ID=debian
	HOME_URL="https://www.debian.org/"
	SUPPORT_URL="https://www.debian.org/support"
	BUG_REPORT_URL="https://bugs.debian.org/"
	root@b3cfb66d7016:/man-pages-6.10# make -v
	GNU Make 4.2.1
	Built for x86_64-pc-linux-gnu
	Copyright (C) 1988-2016 Free Software Foundation, Inc.
	License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
	This is free software: you are free to change and redistribute it.
	There is NO WARRANTY, to the extent permitted by law.

It seems to be a make(1) bug?  (Or maybe a simpler, older
specification.)  It is caused by the '#' in the string.  make(1)
probably interprets it as the start of a comment.

The problem also triggers in another place:

	CPP_HAS_ALREADY_D_FORTIFY_SOURCE := \
		$(shell \
			$(CPP) -dM - -Wno-error </dev/null \
			| $(GREP) '#define _FORTIFY_SOURCE ' >/dev/null \
			&& $(ECHO) yes \
			|| $(ECHO) no; \
		)

It's surprising that I haven't triggered issues with old make(1) before.
I have now tried 6.9.1 there, and it works (I see some pages reporting
issues, but the makefile does work).

I've pushed a fix to the contrib branch, and will try to make a new
release in a few days.
<https://www.alejandro-colomar.es/src/alx/linux/man-pages/man-pages.git/commit/?h=contrib&id=a0d5f1961dfd8eb3af2b0ece845448a42c492ae0>

	commit a0d5f1961dfd8eb3af2b0ece845448a42c492ae0 (HEAD -> contrib, alx/contrib)
	Author: Alejandro Colomar <alx@kernel.org>
	Date:   Mon Feb 10 11:56:01 2025 +0100

	    share/mk/: Escape '#' in regexes
	    
	    GNU make(1) 4.2 seems to be interpreting those characters as the start
	    of a comment, so we need to escape them.  That seems to calm those old
	    versions of make(1), and doesn't affect negatively the newer ones, and
	    doesn't negatively affect grep(1) either.
	    
	    Fixes: 35a780a99bd8 (2024-07-20; "share/mk/: CPPFLAGS: Only define _FORTIFY_SOURCE if it's not already defined")
	    Fixes: 2130162900ab (2024-11-03; "share/mk/, etc/shellcheck/: lint-sh: Add target to lint shell scripts")
	    Reported-by: Boris Pigin <boris.pigin@gmail.com>
	    Cc: Sam James <sam@gentoo.org>
	    Signed-off-by: Alejandro Colomar <alx@kernel.org>

	diff --git a/share/mk/configure/build-depends/cpp/cpp.mk b/share/mk/configure/build-depends/cpp/cpp.mk
	index 594215892..65da77f84 100644
	--- a/share/mk/configure/build-depends/cpp/cpp.mk
	+++ b/share/mk/configure/build-depends/cpp/cpp.mk
	@@ -19,7 +19,7 @@ CPP ?= $(CC) $(CFLAGS_) -E
	 CPP_HAS_ALREADY_D_FORTIFY_SOURCE := \
		$(shell \
			$(CPP) -dM - -Wno-error </dev/null \
	-               | $(GREP) '#define _FORTIFY_SOURCE ' >/dev/null \
	+               | $(GREP) '\#define _FORTIFY_SOURCE ' >/dev/null \
			&& $(ECHO) yes \
			|| $(ECHO) no; \
		)
	diff --git a/share/mk/src/sh.mk b/share/mk/src/sh.mk
	index 487eaf14d..05c9e0449 100644
	--- a/share/mk/src/sh.mk
	+++ b/share/mk/src/sh.mk
	@@ -14,7 +14,7 @@ include $(MAKEFILEDIR)/configure/directory_variables/src.mk
	 
	 
	 BIN_sh := $(shell $(FIND) $(SRCBINDIR) -type f \
	-               | $(XARGS) $(GREP) -l '^#!/bin/\(sh\|bash\)\>' \
	+               | $(XARGS) $(GREP) -l '^\#!/bin/\(sh\|bash\)\>' \
			| $(SORT))
	 

Thanks for the report!


Have a lovely day!
Alex

-- 
<https://www.alejandro-colomar.es/>

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Re: man-page-6.10 make share/mk/src/sh.mk:16: *** unterminated call to function 'shell': missing ')'

[Boris Pigin]

Hallo Alex!

Nice!
I have to thank!

And have a nice day too!
Boris


On 2/10/25 12:03, Alejandro Colomar wrote:
> Hi Boris,
>
> On Mon, Feb 10, 2025 at 09:56:40AM +0100, Boris Pigin wrote:
>> Hi Alex,
>>
>> as my email was rejected by the mailing list due to containing HTML part
>> here is the second try.
> [...]
>
>>   ╭─ 🐺 borisp@blacksun  bash 5.2.37  🕑09:50:38  🖿 ~/test/man-pages-6.10 🧬
>> 📦 🐾14
>>   ╰ $ make -version
>> GNU Make 4.2.1
>> Built for x86_64-pc-linux-gnu
>> Copyright (C) 1988-2016 Free Software Foundation, Inc.
>> License GPLv3+: GNU GPL version 3 or later
>> <http://gnu.org/licenses/gpl.html>
>> This is free software: you are free to change and redistribute it.
>> There is NO WARRANTY, to the extent permitted by law.
> This seems to be the problem.  I hadn't used such an old version of
> make(1) in a long time.  I've been able to reproduce the problem in a
> Docker container with Debian Buster.
>
> 	root@b3cfb66d7016:/# wget https://kernel.org/pub/linux/docs/man-pages/man-pages-6.10.tar.gz >/dev/null 2>&1
> 	root@b3cfb66d7016:/# ls
> 	bin   dev  home  lib64			media  opt   root  sbin  sys  usr
> 	boot  etc  lib	 man-pages-6.10.tar.gz	mnt    proc  run   srv	 tmp  var
> 	root@b3cfb66d7016:/# tar xf man-pages-6.10.tar.gz
> 	root@b3cfb66d7016:/# rm man-pages-6.10.tar.gz
> 	root@b3cfb66d7016:/# ls
> 	bin   dev  home  lib64		 media	opt   root  sbin  sys  usr
> 	boot  etc  lib	 man-pages-6.10  mnt	proc  run   srv   tmp  var
> 	root@b3cfb66d7016:/# cd man-pages-6.10/
> 	root@b3cfb66d7016:/man-pages-6.10# make | wc -l; echo $?
> 	/man-pages-6.10/share/mk/src/sh.mk:16: *** unterminated call to function 'shell': missing ')'.  Stop.
> 	0
> 	0
> 	root@b3cfb66d7016:/man-pages-6.10# cat /etc/os-release
> 	PRETTY_NAME="Debian GNU/Linux 10 (buster)"
> 	NAME="Debian GNU/Linux"
> 	VERSION_ID="10"
> 	VERSION="10 (buster)"
> 	VERSION_CODENAME=buster
> 	ID=debian
> 	HOME_URL="https://www.debian.org/"
> 	SUPPORT_URL="https://www.debian.org/support"
> 	BUG_REPORT_URL="https://bugs.debian.org/"
> 	root@b3cfb66d7016:/man-pages-6.10# make -v
> 	GNU Make 4.2.1
> 	Built for x86_64-pc-linux-gnu
> 	Copyright (C) 1988-2016 Free Software Foundation, Inc.
> 	License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
> 	This is free software: you are free to change and redistribute it.
> 	There is NO WARRANTY, to the extent permitted by law.
>
> It seems to be a make(1) bug?  (Or maybe a simpler, older
> specification.)  It is caused by the '#' in the string.  make(1)
> probably interprets it as the start of a comment.
>
> The problem also triggers in another place:
>
> 	CPP_HAS_ALREADY_D_FORTIFY_SOURCE := \
> 		$(shell \
> 			$(CPP) -dM - -Wno-error </dev/null \
> 			| $(GREP) '#define _FORTIFY_SOURCE ' >/dev/null \
> 			&& $(ECHO) yes \
> 			|| $(ECHO) no; \
> 		)
>
> It's surprising that I haven't triggered issues with old make(1) before.
> I have now tried 6.9.1 there, and it works (I see some pages reporting
> issues, but the makefile does work).
>
> I've pushed a fix to the contrib branch, and will try to make a new
> release in a few days.
> <https://www.alejandro-colomar.es/src/alx/linux/man-pages/man-pages.git/commit/?h=contrib&id=a0d5f1961dfd8eb3af2b0ece845448a42c492ae0>
>
> 	commit a0d5f1961dfd8eb3af2b0ece845448a42c492ae0 (HEAD -> contrib, alx/contrib)
> 	Author: Alejandro Colomar <alx@kernel.org>
> 	Date:   Mon Feb 10 11:56:01 2025 +0100
>
> 	    share/mk/: Escape '#' in regexes
> 	
> 	    GNU make(1) 4.2 seems to be interpreting those characters as the start
> 	    of a comment, so we need to escape them.  That seems to calm those old
> 	    versions of make(1), and doesn't affect negatively the newer ones, and
> 	    doesn't negatively affect grep(1) either.
> 	
> 	    Fixes: 35a780a99bd8 (2024-07-20; "share/mk/: CPPFLAGS: Only define _FORTIFY_SOURCE if it's not already defined")
> 	    Fixes: 2130162900ab (2024-11-03; "share/mk/, etc/shellcheck/: lint-sh: Add target to lint shell scripts")
> 	    Reported-by: Boris Pigin <boris.pigin@gmail.com>
> 	    Cc: Sam James <sam@gentoo.org>
> 	    Signed-off-by: Alejandro Colomar <alx@kernel.org>
>
> 	diff --git a/share/mk/configure/build-depends/cpp/cpp.mk b/share/mk/configure/build-depends/cpp/cpp.mk
> 	index 594215892..65da77f84 100644
> 	--- a/share/mk/configure/build-depends/cpp/cpp.mk
> 	+++ b/share/mk/configure/build-depends/cpp/cpp.mk
> 	@@ -19,7 +19,7 @@ CPP ?= $(CC) $(CFLAGS_) -E
> 	 CPP_HAS_ALREADY_D_FORTIFY_SOURCE := \
> 		$(shell \
> 			$(CPP) -dM - -Wno-error </dev/null \
> 	-               | $(GREP) '#define _FORTIFY_SOURCE ' >/dev/null \
> 	+               | $(GREP) '\#define _FORTIFY_SOURCE ' >/dev/null \
> 			&& $(ECHO) yes \
> 			|| $(ECHO) no; \
> 		)
> 	diff --git a/share/mk/src/sh.mk b/share/mk/src/sh.mk
> 	index 487eaf14d..05c9e0449 100644
> 	--- a/share/mk/src/sh.mk
> 	+++ b/share/mk/src/sh.mk
> 	@@ -14,7 +14,7 @@ include $(MAKEFILEDIR)/configure/directory_variables/src.mk
> 	
> 	
> 	 BIN_sh := $(shell $(FIND) $(SRCBINDIR) -type f \
> 	-               | $(XARGS) $(GREP) -l '^#!/bin/\(sh\|bash\)\>' \
> 	+               | $(XARGS) $(GREP) -l '^\#!/bin/\(sh\|bash\)\>' \
> 			| $(SORT))
> 	
>
> Thanks for the report!
>
>
> Have a lovely day!
> Alex
>

Re: man-page-6.10 make share/mk/src/sh.mk:16: *** unterminated call to function 'shell': missing ')'

[Alejandro Colomar]

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Hallo Boris!

On Mon, Feb 10, 2025 at 03:49:18PM +0100, Boris Pigin wrote:
> Hallo Alex!
> 
> Nice!
> I have to thank!

You're welcome!  :-)

I was interested in using some new GNU make(1) feature in the future:

	FOO ?:= foo

which is equivalent to

	ifndef FOO
	FOO := foo
	endif

I guess this would be problematic to you.  May I ask why you keep such
an old version of GNU make(1) in your distro, when you have a very
recent bash(1) for example?


> And have a nice day too!

Have a lovely day!  :-)
Alex

-- 
<https://www.alejandro-colomar.es/>

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