Shell Programming and Scripting

Hi all,

I have never written a script so I guess you could say I am very yellow. However, I could use some help.... I need to write a Korn Shell Script that converts coins. Meaning if I print or echo "Please enter amount:" and the user puts in 3.87, I need to know the least amount of coins that would equal the .87 cents.

Am I making any sense? I hope someone can give me a push in the right direction. Thanks in advance!!!

This really looks like a homework assignment. And while it looks to be an intriguing problem to try and solve, we do have rules against assisting on homework assignments.
The UNIX and Linux Forums - Forum Rules

So, if you can explain the reason behind the request as not homework or school-related, then please do.

No, this is not homework. This is something I was asked to do to get me used to script writing. I have been looking online and through different books for an example and all I get is confused.

(Delete this, I was too late)

I have something on my mind, but if this is for training purposes there is no profit for you just to solve your problem. Try to workout something alone, post it here and I'm sure that a lot of good ideas will come.
Trust me there are a lot of scripting ninjas here

#!/bin/ksh
#Script name is coins
file=mynum

print -n "Please enter a 2 decimal digit between .01 and 1.00 to receive the correct amount of change: "
read num
if [[ $num = 0||$num -gt 101 ]];then
print "${num} is invalid."
fi
grep "$num" mynum


I did this small script and created the file mynum to accomodate the script and it worked but my boss said that isn't what he wanted. He is looking for something that can handle a number like "3.87" which my little program cannot handle. So I am looking for suggestions.

I also have this but it doesn't work:

$change
file=mynum
#!/bin/ksh
# Script name is: change

print -n "Please enter amount between 0 and 100:"
read num
if [[ $num = 0||$num -gt 100 ]];then
print "${num} is invalid."
fi
COIN=num
while read mynum
do
if [[ $mynum == $num ]];then
COIN=$mynum
export COIN
print "Your change is $COIN"
break
fi
done

Ok. Let me get this straight.
You want to know the amount of COINS that will make the .87 cents,as in:
"your change is 3 quarters, one dime, and 2 pennies".
Is that correct?
Or is it that you want to know what the cents amount is in a given number? As in, say, if someone imputs 4.56, your script would reply:
"The change is .56 cents".

Which one is right?