d_time and writefln

[Stewart Gordon]

Regan Heath wrote:
<snip>
> It should remain possible to print the numeric representation. For use 
> in files/records/etc on disk or otherwise. I use the numeric time_t 
> value from time() in C/C++ all the time.

There are many different formats for converting dates/times into 
numbers.  Is the format of time_t standardised?

> It's far easier to read/write a 
> number than parse a string which could be in many different formats.

And somewhere between the two is parsing a string that can be in only 
one format.  Depending on whether you want the files your program works 
with to be human-readable, you could use either a simple numeric 
representation or a uniform textual notation (ideally the ISO notation).

Stewart.

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