#!/bin/bash

function aqueduct
{
  let param_i=$1+1
  if [[ $param_i == $param_n ]] ; then
    ${params[$param_i]} # run the last element
  else
    ${params[$param_i]} | (aqueduct $param_i) # run 
  fi
}

function f
{
  param_n=0
  while ! [[ $1 == "" ]] ; do
    let param_n=$param_n+1
    params[$param_n]=$1
    shift
  done
  aqueduct 0
}

# Example of usage
f "echo 1" "tee log1" "tee log2"