Re: Working with dates
On 11/30/2012 10:54 AM, James Strickland wrote:
[..] I'm lost as to how to input a date without separating month,
day, year. I want to just input date in one line, (i.e. 12/31/2012).
> Then I want to calculate the number of days from the date entered to
> the date of entry (today). [..]
The easiest way to input a line would be to use 'std::getline' function.
Once the you got the line, parse it by using any means available to
you, one of which might be 'std::istringstream'. Check error state of
the 'cin' and other streams often.
(this is without testing)
std::string input;
if (std::getline(cin, input))
{
std::istringstream toparse(input);
int month;
if (toparse >> month)
{
if (month >= 1 && month <= 12) // and so on...
Parsing input is not always simple. I am not sure what the best book is
on the subject, so start by googling for "parse standard input C++" or
some such.
V
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