[X-Unix] [ANN] unmac

[Stroller]

On 7 Jan 2009, at 14:52, Eric F Crist wrote:
> ...
> Couldn't this same thing be accomplished with a shell script calling  
> the find command?  In that instance, ruby/etc isn't required.
>
> As an example (this could be cleaned up with a proper regex, I think):
>
> find . -name ".DS_Store" \
> -or -name ".Spotlight-V100" \
> -or -name ".fseventsd" \
> -or -name ".Trashes" \
> -or -name "__MACOSX" \
> -maxdepth 1 \
> -delete
>
> Again, just an example.

I had a crack at this a while back, and ended up when I realised how  
poor my solution was.

IMO you really need to use `file` to check that the files really ARE  
Mac rubbish.

EG:
         FILE=/usr/bin/file
         BASENAME=/bin/basename

           if [[ `$FILE -b "$1"` = "data" ]] && [[ $BASSNAME =  
".DS_Store" ]]
           then
             echo Removing "$1" >&2  # deal with .DS_Store files once  
& for all
                   rm -f "$1"
           else
             if [[ `$FILE -b "$1"` = "empty" && ${BASSNAME:0:4} =  
"Icon" ]]
             then
               echo "Removing $1" >&2  # deal with funny Icon files
                   rm -f "$1"

           else
             if [[ `$FILE -b "$1"` = "AppleDouble encoded Macintosh  
file" ]]
             then       # file is prolly a resource-fork
               if [[ $BASSNAME = "._.DS_Store" ]]
                 then
                 echo "Removing $1" >&2
                rm -f "$1"

               else
                 if [[ ${BASSNAME:0:6} = "._Icon" ]]
                 then
                 echo "Removing $1" >&2
                                rm -f "$1"
           ...

At the time I was unaware that bash sported functions, so worked  
around this by having the script call itself recursively and behave  
differently depending whether it was called with a directory or file  
for an argument. I gave up when I realised how horrible this was, the  
script having spawned a zillion children of itself <shame>.

Although I would love someone else to address this problem, I too  
would be a little reluctant to use a solution that depended upon Ruby,  
just because I don't know anything about the language. I just really  
like Bash for this sort of thing, just because it's everywhere.

Stroller.