^foo^bar question

^foo^bar question

[Francisco Borges]

Hello!

 I recently started using the ^foo^bar trick a lot. However I discovered
that if I use: 

% mv ../2500s_4p_3ftr.txt 4p
% ^4^8
% mv ../2500s_8p_3ftr.txt 4p  # second "4" is unchanged.
                         ^^^^
  where only the first string occurence gets replaced. This happens with
4.2.5, 4.3.0-dev-1 and 4.3.1. Is this the intended behavior? 

Is there any way to get multiple substitutions using ^foo^bar? 

(I know I can use !!:gs/foo/bar)

Using "s/foo/bar" only changes the first occurence but that's documented in
the manual, while ^foo^bar does not mention "first occurence only"... so
thought I should ask.

BTW, Great to see 4.3.1 being released. Big thanks to all developers!!

Francisco.

Re: ^foo^bar question

[Chris Johnson]

Francisco Borges sent me the following 0.7K:

> Hello!
> 
>  I recently started using the ^foo^bar trick a lot. However I discovered
> that if I use: 
> 
> % mv ../2500s_4p_3ftr.txt 4p
> % ^4^8
> % mv ../2500s_8p_3ftr.txt 4p  # second "4" is unchanged.
>                          ^^^^
>   where only the first string occurence gets replaced. This happens with
> 4.2.5, 4.3.0-dev-1 and 4.3.1. Is this the intended behavior? 
> 
> Is there any way to get multiple substitutions using ^foo^bar? 

This just came up a few months ago on this list, 'cuz I was wondering
the same thing.  You can check the archives for the whole discussion.
Peter was working on some things to allow multiple substitutions with
that syntax, but I was also informed of this trick:

   % mv ../2500s_4p_3ftr.txt 4p
   % r 4=8

-- 
Chris Johnson
cjohnson@cs.utk.edu
http://www.cs.utk.edu/~cjohnson

Re: ^foo^bar question

[Peter Stephenson]

Francisco Borges wrote:
> % mv ../2500s_4p_3ftr.txt 4p
> % ^4^8
> % mv ../2500s_8p_3ftr.txt 4p  # second "4" is unchanged.
>                          ^^^^
>   where only the first string occurence gets replaced. This happens with
> 4.2.5, 4.3.0-dev-1 and 4.3.1. Is this the intended behavior? 
> 
> Is there any way to get multiple substitutions using ^foo^bar? 
>..
> BTW, Great to see 4.3.1 being released. Big thanks to all developers!!

If you've got 4.3.1 you can now use:

  ^foo^bar^:G

to do what you want.

-- 
Peter Stephenson <pws@csr.com>                  Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK                          Tel: +44 (0)1223 692070


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Re: [zsh] Re: ^foo^bar question

[Francisco Borges]

» On Wed, Mar 01, 2006 at 11:17AM -0500, Chris Johnson wrote:

> This just came up a few months ago on this list, 'cuz I was wondering
> the same thing.  You can check the archives for the whole discussion.
> Peter was working on some things to allow multiple substitutions with
> that syntax, but I was also informed of this trick:
>
>    % mv ../2500s_4p_3ftr.txt 4p
>    % r 4=8

Oops... I think I failed escaping the caret when googling for it.
I found the thread directly in the list archives.

Thanks!
Francisco