Bash Lambda

lambda()
{
    # Save orignal function
    local ORIGINAL=$(declare -f otl)
    local SHIFT_SIZE=${1}
    shift
    local vars=()

    for ((i=0;i<${SHIFT_SIZE};i++)); do
        vars+=(${1})
        shift
    done

    eval "otl() { $@; }"
    otl ${vars[@]}
    unset -f otl
    eval "${ORIGINAL}"
}

lambda 3 ro sham bo 'echo $3 $2 $1'