This bug was fixed in the package bash - 5.2.32-1ubuntu2
---------------
bash (5.2.32-1ubuntu2) plucky; urgency=medium
* Add configure-strtold-check.patch (LP: #2083131)
-- Agathe Porte <agathe.po...@canonical.com> Sat, 26 Oct 2024 13:07:59
+0200
** Changed in: bash (Ubuntu Plucky)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/2083131
Title:
Bash's builtin command "printf" has a grave functionality bug - fails
to print the format like "%.2f .1"
Status in bash package in Ubuntu:
Fix Released
Status in bash source package in Oracular:
Confirmed
Status in bash source package in Plucky:
Fix Released
Status in bash package in Debian:
Confirmed
Bug description:
[Impact]
Programs relying on the builtin printf function of bash stop working
correctly when trying to format numbers with %f.
[Test Plan]
Run the following command, which currently returns "-nan" while it
should return 52.12:
$ bash -c "printf %.2f 52.123"
[Where problems could occur]
Unknown regressions in the formatting after applying the patch.
[Original Bug Report]
As reported in the upstream Debian Linux:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1078556
Bash's builtin command "printf" has a grave functionality bug - fails to
print the format like "%.2f .1".
# bash --version
GNU bash, version 5.2.32(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.
# printf "%.2f\n" 0.1
nan
As mentioned in the above URL, upstream's configure-strtold-check patch:
https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1;bug=1078556;filename=configure-strtold-check;msg=20
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