On 7/1/20 8:48 AM, Clark Wang wrote:
> See the following example (tested with bash 5.0.7):
>
>
> # bind -q shell-expand-line
> shell-expand-line can be invoked via "\e\C-e".
>
> # echo $PWD # press ESC C-e
> # echo /root
>
> # echo $( pwd ) # press ESC C-e
> # echo /root
>
> # echo $'foo' # press ESC C-e
> # echo $foo
>
>
> Is this a bug?
I suppose it is. $'...' isn't a word expansion, it's a form of quoting that
gets translated and transformed into '...' by the parser. When the word
expansion code sees $'...', unexpectedly, it just performs the usual quote
removal.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU [email protected] http://tiswww.cwru.edu/~chet/
