functions.sh

# cd into a matching gem directory. Pass a grep compatible
# regular expression. If you don't pass anything, it goes
# to the root gem directory.
cdgem () 
{ 
    local gempath=$(gem env gemdir)/gems;
    if [[ $1 == "" ]]; then
        cd $gempath;
        return;
    fi;
    local gem=$(ls $gempath | grep $1 | sort | tail -1);
    if [[ $gem != "" ]]; then
        cd $gempath/$gem;
    fi
}