Re: a little problem with the second argument to cd

[Dominik Vogt <dominik.vogt@xxxxxx>]

On Wed, Sep 24, 2003 at 03:36:02PM +0000, Bart Schaefer wrote:
> On Sep 24,  3:52pm, Dominik Vogt wrote:
> } Subject: a little problem with the second argument to cd
> }
> }   $ cd foo bar
> }   cd: no such file or directory: .../bar/libfoo
> } 
> } Can I force zsh to consider foo/libbar as a match too (preferrably
> } without re-implementing the whole functionality as a script)?
> 
> The answer is either "no", or "only by manually clarifying", e.g:
> 
>     $ cd bfoo bbar
> 
> The two-arg form of cd does _exactly_ what this does:
> 
>     cd ${PWD/foo/bar}
> 
> There's no "considering" involved, it's a strictly textual replacement
> with no reference to the filesystem.
> 
> The function to do what you want would look something like this:
> 
>     cd2 () {
> 	integer i=0
> 	local target="$1"
> 	if ((ARGC > 1))
> 	then
> 	    while ((++i)) && [[ "$PWD" != "${(SI-$i-)PWD#${(q)1}}" ]]
> 	    do
> 		target="${(SI-$i-)PWD/${(q)1}/$2}"
> 		[[ -d "$target" && -r "$target" ]] && break
> 		target="${(SI-$i-)PWD//${(q)1}/$2}"
> 		[[ -d "$target" && -r "$target" ]] && break
> 		target=
> 	    done
> 	fi
> 	cd "${target:-${PWD/${(q)1}/$2}}"
>     }

Wow, I love this shell.  I thought it would be much more difficult.
Works like a charm, thank you very much!

Ciao

Dominik ^_^  ^_^