Re: [bug-gawk] Sorted array scans

[Hermann Peifer]

On 14/10/2011 10:44, Davide Brini wrote:
> On Thu, 13 Oct 2011 13:52:07 +0200, Jérôme Hénin<address@hidden>  wrote:
>
> > Hi everyone,
> >
> > On my machine, the sorted array scans don't seem to work as
> > documented. Using the example from the doc:
> >       $ gawk 'BEGIN {
> >       >     PROCINFO["sorted_in"] = "@str_ind_asc"
> >       >     a[4] = 4
> >       >     a[3] = 3
> >       >     for (i in a)
> >       >         print i, a[i]
> >       >  }'
> >       -| 3 3
> >       -| 4 4
> >
> > I don't get the output above, but the reverse order. More generally,
> > whatever I do, the PROCINFO["sorted_in"] value seems to be completely
> > ignored, and I always get the same order.
> > This is using GAWK 3.1.8 for GNU/Linux on x86_64.
> >
> > Any idea what's happening?
>
> Yes, you need gawk>= 4 for those features to work.

...and use one of the available special values:

"@ind_num_asc"
"@ind_num_desc"
"@ind_str_asc"
"@ind_str_desc"

"@val_num_asc"
"@val_num_desc"
"@val_str_asc"
"@val_str_desc"
"@val_type_asc"
"@val_type_desc"

"@unsorted"

Hermann