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07-05-2007
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Simple multiplication problem
I'am doing a tutorial where a simple calculator was given, then i noticed that you can't actually multiply
this is how i have approached the problem so far. i just need if the user enters "*" to change it to "/*" ,is it possible? i know that * means the name of the last file in the directory or something similar so are they conflicting? Code:
function calculator()
{
firstN=$1
secondN=$3
result=0
operator=$2
while [ $# -eq 3 ]
do
if [ "$operator" = * ]
then
$operator=\*
fi
result=$(( $firstN $operator $secondN ))
echo "$result"
return $result
done
echo "Usage: $0 number operator number"
exit 1
return
}
calculator $1 $2 $3
Last edited by greekozz; 07-05-2007 at 10:55 AM.. |
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