cd to a file

[Andy Spiegl <zsh.Andy@spiegl.de>]

Hi,

a long while ago Drew Perttula <drewp@dot.bigasterisk.com> posted this very
useful function:

> # cd to a file should take you to the dir that contains the file
> # courtesy of Artur Penttinen <artur@niif.spb.su>
> function cd () {
>   if [[ -f $1 ]]; then
>     builtin cd $1:h
>   else
>     builtin cd $1
>   fi
> }

I just noticed that it breaks cd substitution (cd with 2 arguments)
and patched it like this:

# cd to a file should take you to the dir that contains the file
# courtesy of Artur Penttinen <artur@niif.spb.su>
function cd () {
  if [[ -n $2 ]]; then
    builtin cd $1 $2
  elif [[ -f $1 ]]; then
    builtin cd $1:h
  else
    builtin cd $*
  fi
}

Could still be optimized though, I guess.
 Andy.

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