look for file with date

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Hi,
Using the following code, I can pick up files with dates for today as you see below.

Question:
But if today is monday, I only want to see the files which have friday's date.
How is this possible please?
Thanks

C#

string[] fileNames = {"abcdef20120216.csv","ijklmn20120215.csv","pqrst20120216.csv"};
DateTime today = DateTime.Now;
string searchDate = 
	string.Format("{0:0000}{1:00}{2:00}.csv",today.Year,today.Month,today.Day);
ArrayList fileNamesArray = new ArrayList();
foreach(string fileName in fileNames){
	if (fileName.EndsWith(searchDate))
		fileNamesArray.Add(fileName);

Posted 15-Feb-12 23:26pm

arkiboys

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OriginalGriff · Answer 1 · 2012-02-15T23:36:00

C#

DateTime matchDate = new DateTime(2012, 2, 20);
var query = from file in files
            where (new FileInfo(file)).LastWriteTime.Date == matchDate
            select file;
matchFiles = query.ToArray<string>();

or

C#

DateTime matchDate = new DateTime(2012, 2, 20);
foreach (string file in files)
    {
    if ((new FileInfo(file)).LastWriteTime.Date == matchDate)
        {
        matchFiles.Add(file);
        }
    }