script error for while loop

Question

I'm getting the below error while i executing the bash script.

#!/bin/bash

mynum=1

while [ $mynum -le 10 ]
do
    echo $mynum
    mynum= $(( $mynum + 1 ))
    sleep 0.5
done

error:

$./wl
1
./wl: line 8: 2: command not found
1
./wl: line 8: 2: command not found
1
./wl: line 8: 2: command not found
1
./wl: line 8: 2: command not found
1
./wl: line 8: 2: command not found
1
./wl: line 8: 2: command not found
1
./wl: line 8: 2: command not found
1
./wl: line 8: 2: command not found

Answer 1

The correct way for incrementing variable is as follows (How to increment a variable in bash?)

#!/bin/bash
mynum=1
while [ $mynum -le 10 ]
do
    echo $mynum
    mynum=$((mynum+1))
    sleep 0.5
done