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Append multiple text files into single file and Rename the file [closed]

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Hello I have multiple text files in one location and they have names as shown below:-
A_L_PRTD_021345.txt , A_L_PRTD_432124 and so on...
I want to append the contents into single file and want to rename the single file as L_PRTD_Currentdate>.txt
How is it possible?
Can you please show some code for it?

First read each file using File.ReadAllLines(fileName) ;
Then create a single file and append the contents of other files in it
string[] contents1 = File.ReadAllLines(fileName1) ;
string[] contents2 = File.ReadAllLines(fileName2) ;
File.Create(newFileNameHere) ;
File.WriteAllLines(newFileNameHere, contents1) ;
File.AppendAllLines(newFileNameHere, contents2) ;
and so on ...
Check the following documentation of the functions, if you need help:-
http://msdn.microsoft.com/en-us/library/92e05ft3(v=vs.110).aspx
http://msdn.microsoft.com/en-us/library/dd383691(v=vs.110).aspx
http://msdn.microsoft.com/en-us/library/s2tte0y1(v=vs.110).aspx

multiple checks for file extension [closed]

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I have property which holds filenameOnly without extension.
string fileNameOnly = "myFileName";
now I want to perform multiple checks on selected location for example c:\ for existed filename+fileextension (.jpg, .png, .gif, .bmp)
so, if c:\myFileName.jpg exist than assign that value to string filename="myFileName.jpg" variable.
what is the best and quickest way to do this?

Try something like this to get an array of files that fit your pattern:
string[] files = Directory.GetFiles(
DirectoryPath,
String.Format("{0}.*", fileNameOnly));

Correct way to parse a String to DirectoryInfo? [closed]

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I'm working on a program and to avoid complication I need to parse a given string variable to be a DirectoryInfo.
I was wondering if it were possible to parse a string to a DirectoryInfo.
If it is, how does one go about doing that?
Thanks

DirectoryInfo di = new DirectoryInfo(string);
MSDN, linked above, provides you the exceptions in case the string is invalid. Note: this is NOT if the directory exists. MSDN also makes note of this in the Remarks. You must then do:
if(di.Exists)

Well, it's not parsing, but the constructor for DirectoryInfo takes the path as a string:
DirectoryInfo di = new DirectoryInfo(#"c:\MyDir");

.Net how to play audio in the root of the website with System.Windows.Media.MediaPlayer() [closed]

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I use this code blow in .NET. It works fine. The problem is that I want this audio to play in the root of the website. What changes should I make for this? Thanks
var sample= new System.Windows.Media.MediaPlayer();
sample.Open(new System.Uri( #"D:\voices\1.wav");
sample.Play();

In a web application, this might look something like this:
sample.Open(new System.Uri(Server.MapPath("~/") + #"\voices\1.wav");
I say might because that all depends on whether or not the voices folder exists in the root of the website. Additionally, you should probably leverage Path.Combine instead:
var path = Path.Combine(Server.MapPath("~/"), "voices", "1.wav");
sample.Open(path);
Finally, I don't know what sample is, but the Open method may not work in a website. I'm making the assumption you know what Open does and whether or not it can work in a website.

Use server.mappath("~/") <- that's the filesystem root for your website.
dim path as string = server.mappath("~/") & "/voices/1.wav"
Note that backslashes, for filesystem path, not URI.
Hope it helps.

How do I split a path at specific directory? [closed]

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I have the following path...
'X:\Projects\4604-Renovation\Unity\4604_02\Assets\Models\FullBuilding\Materials\'
I want to split it at the directory 'Assets' and end up with...
'Assets\Models\FullBuilding\Materials\'
The directory 'Assets' will not always be in the same place in the path. How can I do this? Thanks.

Lets say your string is
string completePath = "X:\Projects\4604-Renovation\Unity\4604_02\Assets\Models\FullBuilding\Materials\";
string subPath = completePath.subString(completePath.IndexOf(#"Assets\"));
Please note that if your path contains multiple instances of Assests it will substring from first instance of Asset.

you can use path.IndexOf, you can use the str.SubString(str.IndexOf("\assetse")), you can do alot of things. playing with string is kinda fun...
most of the things you want to do with strings you can find on google anyway