[Haskell-cafe] how to expand ~ in a filepath

[jo at durchholz.org]

On 22.07.25 14:30, Iustin Pop wrote:
> Gemini/Google AI search even claims that it is part of the POSIX
> standard, I don't know if that's true.

It is.
See 
https://pubs.opengroup.org/onlinepubs/009604499/utilities/xcu_chap02.html#tag_02_06_01 
.

It says that ~ is the current user's home directory, ~blub is the "blub" 
users's home directory, or undefined if no "blub" user exists on the system.
It does not say what should happen if the user is present but does not 
have a home directory assigned.