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GNU bash, version 5.2.32(1)-release (x86_64-redhat-linux-gnu)

Copyright (C) 2022 Free Software Foundation, Inc.

License GPLv3+: GNU GPL version 3 or later < http://gnu.org/licenses/gpl.ht=
ml >

In Fedora 41.

${parameter:-offset} and ${parameter:-offset:length} return full parameter.

carl@fedora:~$ a=3D12345

carl@fedora:~$ echo ${a:-2}

12345

carl@fedora:~$ echo ${a:-3:2}

12345
--79ba0f7e67ffbda1a38aa328f44bf98ebbfcc6b40702bb78c2f965a5fc43
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<div>GNU bash, version 5.2.32(1)-release (x86_64-redhat-linux-gnu)<br></div=
><div>Copyright (C) 2022 Free Software Foundation, Inc.<br></div><div>Licen=
se GPLv3+: GNU GPL version 3 or later &lt;<a href=3D"http://gnu.org/license=
s/gpl.html">http://gnu.org/licenses/gpl.html</a>&gt;<br></div><div><br></di=
v><div>In Fedora 41.<br></div><div><br></div><div>${parameter:-offset} and =
${parameter:-offset:length} return full parameter.<br></div><div><br></div>=
<div>carl@fedora:~$ a=3D12345<br></div><div>carl@fedora:~$ echo ${a:-2}<br>=
</div><div>12345<br></div><div>carl@fedora:~$ echo ${a:-3:2}<br></div><div>=
12345<br></div><div><br></div><div><br></div><div><div data-atmail-signatur=
e=3D"" class=3D"gmail_signature" data-smartmail=3D"gmail_signature" style=
=3D"display: block !important"><br></div></div><div><br></div>
--79ba0f7e67ffbda1a38aa328f44bf98ebbfcc6b40702bb78c2f965a5fc43--

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: carlyle_moulton@HIDDEN
Subject: bug#78329: Acknowledgement (bash extraction of segment from end
 of string returns full string)
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Reply-To: 78329 <at> debbugs.gnu.org
Date: Fri, 09 May 2025 07:26:03 +0000

Thank you for filing a new bug report with debbugs.gnu.org.

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Your message is being forwarded to the package maintainers and other
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78329: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D78329
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Subject: bug#78329: bash extraction of segment from end of string returns full string
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Hi,

    Subject: bug#78329: bash extraction of segment from end of string
    returns full string

Thanks for the report, but why are you sending this to bug-automake? 
It seems like bug-bash@HIDDEN is the right list for this one ... --best, karl.

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Subject: bug#78329: closed (bash extraction of segment from end of string
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Your message dated Wed, 14 May 2025 15:59:08 -0600
with message-id <202505142159.54ELx8iD2529746@HIDDEN>
and subject line=20
has caused the debbugs.gnu.org bug report #78329,
regarding bash extraction of segment from end of string returns full string
to be marked as done.

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GNU bash, version 5.2.32(1)-release (x86_64-redhat-linux-gnu)

Copyright (C) 2022 Free Software Foundation, Inc.

License GPLv3+: GNU GPL version 3 or later < http://gnu.org/licenses/gpl.ht=
ml >

In Fedora 41.

${parameter:-offset} and ${parameter:-offset:length} return full parameter.

carl@fedora:~$ a=3D12345

carl@fedora:~$ echo ${a:-2}

12345

carl@fedora:~$ echo ${a:-3:2}

12345
--79ba0f7e67ffbda1a38aa328f44bf98ebbfcc6b40702bb78c2f965a5fc43
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html; charset=UTF-8

<div>GNU bash, version 5.2.32(1)-release (x86_64-redhat-linux-gnu)<br></div=
><div>Copyright (C) 2022 Free Software Foundation, Inc.<br></div><div>Licen=
se GPLv3+: GNU GPL version 3 or later &lt;<a href=3D"http://gnu.org/license=
s/gpl.html">http://gnu.org/licenses/gpl.html</a>&gt;<br></div><div><br></di=
v><div>In Fedora 41.<br></div><div><br></div><div>${parameter:-offset} and =
${parameter:-offset:length} return full parameter.<br></div><div><br></div>=
<div>carl@fedora:~$ a=3D12345<br></div><div>carl@fedora:~$ echo ${a:-2}<br>=
</div><div>12345<br></div><div>carl@fedora:~$ echo ${a:-3:2}<br></div><div>=
12345<br></div><div><br></div><div><br></div><div><div data-atmail-signatur=
e=3D"" class=3D"gmail_signature" data-smartmail=3D"gmail_signature" style=
=3D"display: block !important"><br></div></div><div><br></div>
--79ba0f7e67ffbda1a38aa328f44bf98ebbfcc6b40702bb78c2f965a5fc43--



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Subject: bug#78329: closed ()
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Your bug report

#78329: bash extraction of segment from end of string returns full string

which was filed against the automake package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 78329 <at> debbugs.gnu.org.

--=20
78329: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D78329
GNU Bug Tracking System
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--79ba0f7e67ffbda1a38aa328f44bf98ebbfcc6b40702bb78c2f965a5fc43
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GNU bash, version 5.2.32(1)-release (x86_64-redhat-linux-gnu)

Copyright (C) 2022 Free Software Foundation, Inc.

License GPLv3+: GNU GPL version 3 or later < http://gnu.org/licenses/gpl.ht=
ml >

In Fedora 41.

${parameter:-offset} and ${parameter:-offset:length} return full parameter.

carl@fedora:~$ a=3D12345

carl@fedora:~$ echo ${a:-2}

12345

carl@fedora:~$ echo ${a:-3:2}

12345
--79ba0f7e67ffbda1a38aa328f44bf98ebbfcc6b40702bb78c2f965a5fc43
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html; charset=UTF-8

<div>GNU bash, version 5.2.32(1)-release (x86_64-redhat-linux-gnu)<br></div=
><div>Copyright (C) 2022 Free Software Foundation, Inc.<br></div><div>Licen=
se GPLv3+: GNU GPL version 3 or later &lt;<a href=3D"http://gnu.org/license=
s/gpl.html">http://gnu.org/licenses/gpl.html</a>&gt;<br></div><div><br></di=
v><div>In Fedora 41.<br></div><div><br></div><div>${parameter:-offset} and =
${parameter:-offset:length} return full parameter.<br></div><div><br></div>=
<div>carl@fedora:~$ a=3D12345<br></div><div>carl@fedora:~$ echo ${a:-2}<br>=
</div><div>12345<br></div><div>carl@fedora:~$ echo ${a:-3:2}<br></div><div>=
12345<br></div><div><br></div><div><br></div><div><div data-atmail-signatur=
e=3D"" class=3D"gmail_signature" data-smartmail=3D"gmail_signature" style=
=3D"display: block !important"><br></div></div><div><br></div>
--79ba0f7e67ffbda1a38aa328f44bf98ebbfcc6b40702bb78c2f965a5fc43--



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GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997 nCipher Corporation Ltd, 1994-97 Ian Jackson.