Re: list package version if installed (scriptable)
On Thu, Jan 07, 2021 at 08:12:52AM -0500, Jim Popovitch wrote:
> What is a script'able way to list a pkg version (or nothing if it is not
> installed)?
>
> +1 for POSIX compatibility.
unicorn:~$ dpkg-query --show --showformat '${Version}\n' bash
5.0-4
unicorn:~$ dpkg-query --show --showformat '${Version}\n' gnome-core
dpkg-query: no packages found matching gnome-core
unicorn:~$ dpkg-query --show --showformat '${Version}\n' gnome-core 2>/dev/null
unicorn:~$
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