Enumerating files c#

It is taking approx 4 seconds to go through Thousand records. All files are in same directory. Ask a question. Quick access. Search related threads. Remove From My Forums. Answered by:. Archived Forums. Also discuss all the other Microsoft libraries that are built on or extend the. Sign in to vote. I have already tried GetFiles but it takes lot of time. What is the fastest way to enumerate a large number of files in.

NET Framework? I am fine with Native code also if I can use it with PInvoke. Any suggestions? FYI: I am using C. Active 7 years, 5 months ago. Viewed 7k times. How to get the count of files in Directory without enumerating files in c?

Short answer: No there isn't. Even if you get some API to do that, It will enumerate internally. Add a comment. Active Oldest Votes. You have to enumerate through the folder in order to get all the files. Community Bot 1 1 1 silver badge. Andreas Andreas 4 4 bronze badges.

Am I doing something odd or does this not search the baseDir for files also? Ah it's because it is enumerating the directories, but doesn't search itself. I actually never tried a faster way but its a good question.. MayBe this helps.. Constantin Treiber Constantin Treiber 1 1 gold badge 7 7 silver badges 18 18 bronze badges.

I've used the FastDirectoryEnumerator class a number of times, and it's ridiculously faster than all of the built-in methods for enumeration. It achieves this by avoiding large pre-allocations, caching intermediate results, and running tasks in parallel. Highly recommended! The following example shows how to retrieve all the files in a directory and move them to a new directory. After the files are moved, they no longer exist in the original directory.

The following example enumerates the files in the specified directory, reads each line of the file, and displays the line if it contains the string "Europe".

An enumerable collection of the full names including paths for the files in the directory specified by path and that match the specified search pattern. The following example shows how to retrieve all the text files in a directory and move them to a new directory.

The following example enumerates the files in the specified directory that have a ". The EnumerateFiles and GetFiles methods differ as follows: When you use EnumerateFiles , you can start enumerating the collection of names before the whole collection is returned; when you use GetFiles , you must wait for the whole array of names to be returned before you can access the array.

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Namespace: System. IO Assemblies: mscorlib. Returns an enumerable collection of full file names that meet specified criteria.

This string is not case-sensitive. Files in directory Search pattern.