gistfile1.txt

 which gem
gem () {
        typeset result
        (
                typeset rvmrc
                rvm_rvmrc_files=("/etc/rvmrc" "$HOME/.rvmrc") 
                if [[ -n "${rvm_prefix:-}" ]] && ! [[ "$HOME/.rvmrc" -ef "${rvm_
prefix}/.rvmrc" ]]
                then
                        rvm_rvmrc_files+=("${rvm_prefix}/.rvmrc") 
                fi
                for rvmrc in "${rvm_rvmrc_files[@]}"
                do
                        [[ -s "${rvmrc}" ]] && source "${rvmrc}" || true
                done
                unset rvm_rvmrc_files
                command gem "$@"
        ) || result=$? 
        hash -r
        return ${result:-0}
}