public void Execute(string arguments, ICommandLog log)
{
string[] parts = arguments.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length < 2)
{
log.WriteLine("Invalid number of arguments. The divide command requires at least two values.");
return;
}
bool isFirstValue = true;
double quotient = 0;
StringBuilder result = new StringBuilder();
foreach (var textValue in parts)
{
double numberValue;
if (!double.TryParse(textValue, out numberValue))
{
log.WriteLine(string.Format("'{0}' is not a number.", textValue));
return;
}
if (isFirstValue)
{
quotient = numberValue;
isFirstValue = false;
}
else
{
quotient /= numberValue;
}
if (result.Length != 0)
{
result.Append(" / ");
}
result.Append(textValue);
}
result.Append(" = ");
result.Append(quotient);
log.WriteLine(result.ToString());
}
public void Execute(string arguments, ICommandLog log)
{
string[] parts = arguments.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length < 2)
{
log.WriteLine("Invalid number of arguments. The multiply command requires at least two values.");
return;
}
double product = 1;
StringBuilder result = new StringBuilder();
foreach (var textValue in parts)
{
double numberValue;
if (!double.TryParse(textValue, out numberValue))
{
log.WriteLine(string.Format("'{0}' is not a number.", textValue));
return;
}
product *= numberValue;
if (result.Length != 0)
{
result.Append(" x ");
}
result.Append(textValue);
}
result.Append(" = ");
result.Append(product);
log.WriteLine(result.ToString());
}