Re: Reimplementing AS_BASENAME

[Paolo Bonzini]

Ralf Wildenhues wrote:
> Hi Eric,
> 
> * Eric Blake wrote on Thu, Oct 09, 2008 at 11:10:53PM CEST:
>> as_func_basename ()
>> {
>>   test "x$1" = "x--" && shift
>>   case $1 in
>>     / | // ) result=$1 ;;       # root dir corner cases
>>     *[!/]*/ )                   # trailing slash, but not root
>>       result=${1##*[!/]}        # compute the suffix of slashes
>>       result=${1%"$result"}     # strip the trailing slashes
>>       result=${result##*/} ;;   # compute the basename
>>     */ ) result=/ ;;            # collapse alternate spelling of root
>>     * ) result=${result##*/} ;; # no trailing slash
>>   esac
>>   # add code here for stripping $2, if wanted
>> }
> 
> What if \ also serves as directory separator?  Are you going to rule
> that out for the new AS_BASENAME?

I don't think so.  A replacement ${1/'\'/'/'} does not work in dash, but
I'm sure you can find a portable version.

Paolo