shell script in android gives [: not found

Question

I have this script which works on my linux machine

#!/bin/sh
c=1
if [ $c == 1 ]
then
  echo c is 1
else
  echo c is 0
fi

But when I use this in

Answer 1

Use bash:

#!/system/bin/bash

or

#!/system/xbin/bash

You can check where your sh binary is pointing to on your Linux machine:

ls -l /bin/sh

Edit

BTW, use:

c=1
if [ $c -eq 1 ]
then
  echo c is 1
else
  echo c is 0
fi