Re: Very slow filename completion (when case-insensitive) with cygwin zsh

Re: Very slow filename completion (when case-insensitive) with cygwin zsh

[Peter Stephenson]

John Cooper wrote:
> I've experiencing very slow (> 1 sec per tab key press) filename completion,
> particularly on SMB mounted drives.  The problem didn't occur when using
> `zsh -f' and I finally tracked the slowness down to the following line in my
> .zshrc :
> 
> zstyle ':completion:*' matcher-list 'm:{a-z}={A-Z}'

Interesting.  I wasn't aware of that.

I think the problem is that case insensitive completion is done by
pattern matching, which does a good deal more file handling.  It can
probably be improved by an option to tell the shell that the OS is
case-insensitive, but I haven't looked in detail yet.

-- 
Peter Stephenson <pws@csr.com>                  Software Engineer
CSR Ltd., Science Park, Milton Road,
Cambridge, CB4 0WH, UK                          Tel: +44 (0)1223 692070


**********************************************************************
The information transmitted is intended only for the person or
entity to which it is addressed and may contain confidential 
and/or privileged material. 
Any review, retransmission, dissemination or other use of, or
taking of any action in reliance upon, this information by 
persons or entities other than the intended recipient is 
prohibited.  
If you received this in error, please contact the sender and 
delete the material from any computer.
**********************************************************************