#!/bin/bash

i=1
sp="/-\|"
esc=""
reset="${esc}[0m"
testecho=/opt/tmp/testecho-$$
echo -ne > $testecho
if grep -q "\-ne" $testecho; then
  while [ -e $1 ]
  do
    echo -n "."
    sleep 1
  done
  echo
else
  while [ -e $1 ]
  do
    echo -en "\b${sp:i++%${#sp}:1}"
    sleep .2
  done
  echo -en "${reset}\b"
fi

