On Sun, Feb 28, 2021 at 10:32:13PM +0000, k...@plushkava.net wrote:
> Why not indeed. However, I think that I'm able to decipher this.
>
> $ declare -A map; key=$'foo\34bar'; map[$key]=
> $ set -x
> $ : "$key"
> + : $'foo\034bar'
> $ unset "map[$key]"
> + unset 'map[foobar]'
>
> For the unset command, xtrace elects to emit the (non-printable) FS
> character verbatim rather than employ the ANSI-style notation. Presumably,
> this led to the conclusion that bash doesn't "display em".
I agree:
$ declare -A map; key=$'foo\34bar'; map[$key]=
$ exec {BASH_XTRACEFD}> >(sed -ue 's/\o34/<<\\34>>/')
$ set -x
$ : "$key"
+ : $'foo\034bar'
$ unset map["$key"]
+ unset 'map[foo<<\34>>bar]'
--
Félix Hauri - <fe...@f-hauri.ch> - http://www.f-hauri.ch
