I have a module that includes this code ref. that you should be able to adapt to do what you want.

#   ----------
my $_cleanPath = sub
#   ----------
{
    my $absPath = shift;
    return $absPath if $absPath =~ m{^/$};
    my @elems = split m{/}, $absPath;
    my $ptr = 1;
    while( $ptr <= $#elems )
    {
        if( $elems[ $ptr ] eq q{} )
        {
            splice @elems, $ptr, 1;
        }
        elsif( $elems[ $ptr ] eq q{.} )
        {
            splice @elems, $ptr, 1;
        }
        elsif( $elems[ $ptr ] eq q{..} )
        {
            if( $ptr < 2 )
            {
                splice @elems, $ptr, 1;
            }
            else
            {
                $ptr --;
                splice @elems, $ptr, 2;
            }
        }
        else
        {
            $ptr ++;
        }
    }
    return $#elems ? join q{/}, @elems : q{/};
};

[download]

I hope this is of use.

Cheers,

JohnGG

In reply to Re: Collapsing paths by johngg
in thread Collapsing paths by rvosa

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