On Wed, Jul 30, 2025, at 4:52 AM, Michal Sojka wrote: > Description: > When running "cd ''", bash 5.3 fails with "cd: null directory" > while previous versions succeeded without an error and no > directory was changed. I'm not sure whether this is considered a > bug or not.
It is not a bug. > The SUS[1] says "If directory is an empty string, > the results are unspecified.". > > [...] > > [1]: > https://pubs.opengroup.org/onlinepubs/9699919799/utilities/cd.html This was changed in POSIX.1-2024: If _directory_ is an empty string, _cd_ shall write a diagnostic message to standard error and exit with non-zero status. https://pubs.opengroup.org/onlinepubs/9799919799.2024edition/utilities/cd.html#tag_20_14_05 https://www.austingroupbugs.net/view.php?id=1047 > However, I didn't find anything > related to this change in the NEWS file for bash-5.3. https://cgit.git.savannah.gnu.org/cgit/bash.git/tree/ChangeLog?h=bash-5.3#n9121 -- vq
