Query to print numbers in words

Shell Programming and Scripting
1

Hi,

I have to write a shell script that converts numbers in to words
below is what i wrote.My script is not running.

-----------------------------------
echo -n "Enter number : "
read n
len= echo $n | wc -c
echo " number in words : "
for ( i=1; i<len; i++ )

do
num=echo $n | cut -c i

case num in
    0\) echo -n "zero " ;;
    1\) echo -n "one " ;;
    2\) echo -n "two " ;;
    3\) echo -n "three " ;;
    4\) echo -n "four " ;;
    5\) echo -n "five " ;;
    6\) echo -n "six " ;;
    7\) echo -n "seven " ;;
    8\) echo -n "eight " ;;
    9\) echo -n "nine " ;;
esac

done
---------------------------

Some one please correct me

Thanks in Advance
bab123

2 
echo -n "Enter number : "
read n
len= echo $n | wc -c
echo " number in words : "
for ( i=1; i<len; i++ )

do
num=echo $n | cut -c i

case $num in
0) echo -n "zero " ;;
1) echo -n "one " ;;
2) echo -n "two " ;;
3) echo -n "three " ;;
4) echo -n "four " ;;
5) echo -n "five " ;;
6) echo -n "six " ;;
7) echo -n "seven " ;;
8) echo -n "eight " ;;
9) echo -n "nine " ;;
esac
done
3

Pludi,
Thanks for the reply

But i ma gettimng the following error

-n Enter number :
876
4
number in words :
sam.sh: syntax error at line 6: `(' unexpected

4

Any help?
why i am getting the error in for loop line?

5

Don't use the for loop...Try using other loops...

Is this homework?

6

not a homework
Thanks