Re: RFE: Make `printf -v var` support positional parameters

[microsuxxor]

maybe its easier to read -r -a some

On Thu, Dec 5, 2024, 6:13 PM microsuxxor <fxmbsw7@gmail.com> wrote:

> ~ $ eval set -- "$( IFS=' ' ; printf %q\  1 two ' th r ee ' '$( four >&2
> )' )" ; printf -- -%s-\\t "$@" ; printf \\n
> -1-     -two-   - th r ee -     -$( four >&2 )-
>
> On Thu, Dec 5, 2024, 5:54 PM microsuxxor <fxmbsw7@gmail.com> wrote:
>
>> ~ $ IFS=' ' ; declare -a "a=( $( printf %q\  1 two ' th r ee ' '$( four
>> >&2 )' ) )" ; set -- "${a[@]}" ; printf -- -%s-\ \  "$@" ; printf \\n
>> -1-  -two-  - th r ee -  -$( four >&2 )-
>>
>> On Thu, Dec 5, 2024, 5:48 PM Chet Ramey <chet.ramey@case.edu> wrote:
>>
>>> On 12/5/24 9:41 AM, Clark Wang wrote:
>>> > It would be easier to manipulate positional params if we can write like
>>> > `printf -v 1`.
>>>
>>> Use an array. Use printf to write values to the array elements, then use
>>> set -- "${array[@]}" (or "${array[@]:1}" depending on how closely you
>>> want the array to parallel the positional parameters) to set the
>>> positional
>>> parameters.
>>>
>>> Chet
>>> --
>>> ``The lyf so short, the craft so long to lerne.'' - Chaucer
>>>                  ``Ars longa, vita brevis'' - Hippocrates
>>> Chet Ramey, UTech, CWRU    chet@case.edu
>>> http://tiswww.cwru.edu/~chet/
>>>
>>