Linux for blind general discussion blinux-list at
Tue Oct 4 20:31:24 UTC 2022

Maybe better to keep logging in, go to cd tdsr,
then type
cd ..
as I already do.
What you had written is far too advanced for me, but thank you.

> On Oct 4, 2022, at 08:46, Linux for blind general discussion <blinux-list at> wrote:
> Tim here.  It's a little tricky because, without additional
> precautions, you open a shell which launches tdsr, which opens a
> shell inside of it, which launches tdsr, which opens a shell
> get the idea.
> So there needs to be a way for a shell to determine if it's already
> inside a running session of tdsr.  This sort of thing is usually
> done through setting an environment variable.  For example, I've
> done similarly with "tmux", so I have a check in my startup file
> (e.g. my ~/.bashrc) that tests
>  [ -z "$TMUX" ] && tmux
> So first you'd want to see if tdsr sets an environment variable.
> The documentation might detail this, but if not, you can dump the
> environment to a file before running tdsr, then run tdsr, then dump
> the environment to another file and compare them, like
>  $ env | sort > a
>  $ tdsr
>  (tdsr)$ env | sort > b
>  (tdsr)$ comm -13 a b
> Hopefully this will show a setting something like a "$TDSR" variable
> that you can check.  Then your ~/.bashrc (or whatever your startup
> file is) can end with something like
>  [ -z "$TDSR" ] && tdsr
> Because this can go unfortunately sideways, I recommend having one
> window/console open, editing your ~/.bashrc and then open a *new*
> window (or log in at another console) to test it.  If all goes
> right, yay.  If things go sideways, you can quickly flip back to
> the first window/console, remove that line from your ~/.bashrc, and
> (re)save it.  This saves you a LOT of hassle if you accidentally
> create a loop like described at the top of this email.
> -Tim
> On 2022-10-04 08:21, Linux for blind general discussion wrote:
>> I have fedora 35, and while in the shell I use tdsr for screen-reader.
>> To start it, one must use dot slash tdsr.
>> Is there a way to have this program start whenever logging in at shell?
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