[conspire] curious behavior of bash completion when there's a character that needs to be escaped e.g. $

Peter Knaggs peter.knaggs at gmail.com
Wed Jan 15 12:03:44 PST 2020

Hi Deirdre,

I agree, oftentimes I do resort to python3 when dealing with complicated

In the bash manual it says that shopt is a bash builtin that allows us to
change additional shell optional behavior. The progcomp option is
supposed to be set by default (this doesn't seem to be the case on Debian 10
though), and it enables "programmable completion facilities", I'm still
reading about
this fascinating rabbit hole:


Still, I recently came across the wonderful benefit of running "detox" on
my files, so now I hardly ever have any complicated filenames, at least
on my home machines. Detox can be run recursively too, it even has a
neat "dry run" option to see how it'll choose to rename the files.

For example, to see how it'll recursively rename the files under /full/path
I use it like this:

detox -r --dry-run /full/path


On Wed, Jan 15, 2020 at 11:51 AM Deirdre Saoirse Moen <deirdre at deirdre.net>

> On Jan 15, 2020, at 11:30, Peter Knaggs <peter.knaggs at gmail.com> wrote:
> Hmm, if I first run this command, the bash completion works as I'd expect
> in Debian 10, I guess I'll have to look into what this command does. :)
> shopt -u progcomp
> https://askubuntu.com/questions/70750/how-to-get-bash-to-stop-escaping-during-tab-completion
> Huh. I’m glad you figured it out because I realized I didn’t know the
> answer off the top of my head. Then again, I’m likely to break out a
> higher-level language once it gets to that point rather than stick with
> shell.
> Deirdre
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