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Re: [PATCH] _postfix (postconf): Complete only applicable parameters for -X and -#.
- X-seq: zsh-workers 39338
- From: Daniel Shahaf <d.s@xxxxxxxxxxxxxxxxxx>
- To: zsh-workers@xxxxxxx
- Subject: Re: [PATCH] _postfix (postconf): Complete only applicable parameters for -X and -#.
- Date: Thu, 15 Sep 2016 04:48:55 +0000
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Bart Schaefer wrote on Wed, Sep 14, 2016 at 20:35:06 -0700:
> On Sep 15, 2:15am, Daniel Shahaf wrote:
> } Subject: Re: [PATCH] _postfix (postconf): Complete only applicable paramet
> }
> } The prompt says:
> }
> } zsh: do you wish to see all 112 possibilities (28 lines)?
> }
> } If I answer "yes" then I get 28 lines, that show everything in my
> } `postconf -n` output and nothing else:
>
> And how many words is that, all together? I think it must be counting
> the words in the descriptions as "possibilities" which probably has
> something to do with the way the column positions are abused to get
> the description to line up nicely alongside the thing described.
Bingo. I see it now. My 'postconf -n' has:
- 1 value that repeats 3 times
- 2 values that repeat twice, each
- 25 values that appear once each
So _describe puts that into a table as follows:
a1 a2 a3 -- va
b1 b2 -- vb
c1 c2 -- vc
k1 -- v1
k2 -- v2
⋮
k25 -- v25
The table has 4 columns — headed by "a1", "a2", "a3", and "-- v1" where
the double-hyphen is the list-separator style — and 28 rows, so it
counts as 28×4 = 112 matches.
Here's a reproducer:
_f () {
a=( )
i=25
while (( i-- )
do
a+=( k${i}:v$i )
done
a+=( a{1..3}:va b{1..2}:vb c{1..2}:vc )
a=( ${a/:/_______________________:} )
_describe d a
}
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