Which option is faster...

[jicman]

On Monday, 5 August 2013 at 13:59:24 UTC, jicman wrote:
>
> Greetings!
>
> I have this code,

First option...

> foreach (...)
> {
>
>   if (std.string.tolower(fext[0]) == "doc" ||
>     std.string.tolower(fext[0]) == "docx" ||
>     std.string.tolower(fext[0]) == "xls" ||
>     std.string.tolower(fext[0]) == "xlsx" ||
>     std.string.tolower(fext[0]) == "ppt" ||
>     std.string.tolower(fext[0]) == "pptx")
>    continue;
> }

Second option...
> foreach (...)
> {
>   if (std.string.tolower(fext[0]) == "doc")
>     continue;
>   if (std.string.tolower(fext[0]) == "docx")
>     continue;
>   if (std.string.tolower(fext[0]) == "xls")
>     continue;
>   if (std.string.tolower(fext[0]) == "xlsx")
>     continue;
>   if (std.string.tolower(fext[0]) == "ppt")
>     continue;
>   if (std.string.tolower(fext[0]) == "pptx")
>    continue;
>   ...
>   ...
> }
>
> thanks.
>
> josé

So, after I saw this post I asked myself, what?  So, the question 
is: which of the two foreach loops options are faster:
1. The concatenated if ||
2. The single if

I am trying to see if it matters.  I have a project with lots of 
files and if one is faster, then, it will matter to code it the 
faster way.  Thanks.