Re: [ping] declare -c still undocumented.

[Chris Elvidge]

On 13/11/2020 09:33 am, felix wrote:
> On Fri, Nov 13, 2020 at 12:19:27AM +0100, Léa Gris wrote:
> > Happy 10 years 10 months anniversary to the issue:
> >
> > <https://lists.gnu.org/archive/html/bug-bash/2010-02/msg00074.html>
> >
> > >          address@hidden:~$ declare -c moo=moo; echo $moo
> > >          Moo
>
>    cap() { local -ca _cap=("$@");echo ${_cap[*]};}
>    cap great éric.
>    Great Éric.
>
> Like this:
>    https://lists.gnu.org/archive/html/bug-bash/2010-02/msg00081.html
>
>    ${parameter:~pattern}  Toggle case of 1st character if matching optional 
> pattern
>    ${parameter:~~pattern} Toggle case of all characters regarding pattern:
>
>    cap() { local -cl _cap=("$@");echo ${_cap[*]~};}
>    cap great éric.
>    Great Éric.
>
>    myvar="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; echo 
> ${myvar~~[H-p]}
>    ABCDEFGhijklmnopqrstuvwxyzABCDEFGHIJKLMNOPqrstuvwxyz

But ${var^} still doesn't know that it should apply to the first alpha 
character in a string. Similar for , and ~. If the first character of 
the string is a punctuation character, e.g.(, it doesn't work (as I 
would like it to <g>).

--
Chris Elvidge
England