Matching control problem with space as pivot

Matching control problem with space as pivot

[Felix Rosencrantz]

There might be a problem with trying to use space as a pivot point with
matching control. 

host% bindkey -e; autoload -U compinit; compinit -D
host% zstyle ':completion:*:complete:*' matcher-list 'r:|[.,_- ]=**'
host% touch "abc.def" "abc ghi" "axx gxx" "ayy.gyy"
host% more a\ g<TAB>
<nothing.>
host% more a.<TAB>
abc.def ayy.gyy
host% more a\.<TAB>
abc.def ayy.gyy

I thought maybe the backslash was causing a problem.  I also
tried using 'r:|[.,_-\ ]=**', which didn't help.   Is this a bug?
Or user error?

Thanks.
-FR.


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Re: Matching control problem with space as pivot

[Sven Wischnowsky]

Felix Rosencrantz wrote:

> There might be a problem with trying to use space as a pivot point with
> matching control. 
> 
> host% bindkey -e; autoload -U compinit; compinit -D
> host% zstyle ':completion:*:complete:*' matcher-list 'r:|[.,_- ]=**'
> host% touch "abc.def" "abc ghi" "axx gxx" "ayy.gyy"
> host% more a\ g<TAB>
> <nothing.>
> host% more a.<TAB>
> abc.def ayy.gyy
> host% more a\.<TAB>
> abc.def ayy.gyy
> 
> I thought maybe the backslash was causing a problem.  I also
> tried using 'r:|[.,_-\ ]=**', which didn't help.   Is this a bug?
> Or user error?

1. Yes, you need the backslash there.
2. You didn't tell it that it can insert characters at the end (`r:|=*').
3. Look at your character class.  Closely.

     [.,_-\ ]

   That's `a dot, a comma or one of the characters between an underscore
   and a space'.  Since the space is ASCII-wise before the underscore
   that's the same as `a dot or a comma'.

   You might want to try 'r:|[.,\ _-]=** r:|=*'.


Bye
  Sven


-- 
Sven Wischnowsky                         wischnow@informatik.hu-berlin.de