Efficiently counting files in directory and subfolders with specific name
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I can count all the files in a folder and sub-folders, the folders themselves are not counted.
(gci -Path *Fill_in_path_here* -Recurse -File | where Name -like "*STB*").Count
However, powershell is too slow for the amount of files (up to 700k). I read that cmd is faster in executing this kind of task.
Unfortunately I have no knowledge of cmd code at all. In the example above I am counting all the files with
STB in the file name.
That is what I would like to do in cmd as well.
Any help is appreciated.
count number of files in directory with a certain name, This would have listed all the names that match 2009* (using ls with -d to not list the contents of directories), and would count the number of lines in the output. you a fork and exec, and may be more efficient than -exec echo . Note: If you want to under subdirectory also Kindly remove maxdepth option. The following VBA can help you easily count a specific type of files in a certain folder, such as count all .xlsx files in a folder. Please do as follows: 1. Press the Alt + F11 keys simultaneously to open the Microsoft Visual Basic for Applications window. 2. Click Insert > Module, and then paste the below VBA code into the opening Module window.
How to count the files in a folder using PowerShell, CMD, or File , Do you want to count all the folders and files stored inside a certain folder and all its subfolders? An easy method to find this information is to Re: Count Files in a folder and subfolders, with specific name You don't need a seperate fuction to get activeworkbook name. Please Login or Register to view this content.
You can speed up things with PowerShell, if you include the
filter directly within the
command instead of filtering the
result set of the command which is way bigger than a pre filtered one.
(Get-ChildItem -Path "Fill_in_path_here" -Recurse -File -Include "*STB*").Count
PC Mag, Ax = £54300 Count = B DO CALL Interrupt(D0s, Registers) IF Dir?1ag OR Testoatest If other directories below an existing subdirectory are encountered, Display calls itself yet services to process each file whose name matches a given specification. Another trick that improves efficiency is the use of the variable Zer0$. The only issue remaining is to count the files. Yes, grep is an usual solution, and yes counting new lines with wc -l is also an usual solution. Note that grep -c (count) really counts how many times a snp string is matched, and, if one file name has more than one snp string in the name, the count will be incorrect. We can do better.
My guess is this is a lot faster:
$path = 'Fill_in_path_here' @([System.IO.Directory]::EnumerateFiles($path, '*STB*', 'AllDirectories')).Count
If you do not want to recurse subfolders, change
How to count files in a certain folder/directory in Excel?, Count all files in a certain folder (including subfolders) with Kutools for Excel Amazing! Using Efficient Tabs in Excel Like Chrome, Firefox and Safari! SubProcedure (Recursive Method): In the below SubProcedure we are checking all available subfolders using recursive method. We are checking files count and subfolders count in a folder. We use VBA ‘FolderExists’ method of FileSystemObject object (FSO) to check whether specified folder is available or not.
I would rather do PowerShell as it is a far stronger tool. You might give this .bat file script a try.
@ECHO OFF SETLOCAL ENABLEDELAYEDEXPANSION SET /A "N=0" FOR /F "delims=" %%f IN ('DIR /S /B /A:-D "C:\path\to\files\*STB*"') DO (SET /A "N=!N!+1") ECHO There are !N! files.
How to: Enumerate directories and files, If you want to search and return only the names of directories or files, use the enumeration methods of the Directory class Count} directories found. all file names in a directory and subdirectories that match a certain pattern What you have mentioned is one of the basic problems that people face, when they try to read file names. Sometimes, people with limited knowledge and having a misconception of file and folder structure tend to forget that "In UNIX Everything is a file" . So they don't understand that they need to handle spaces as well, as the file name can
How To Count The Number Of Files And Directories in a Directory , It counts files or directories or symbolic links or specific user created files and The ls, egrep, echo, wc, tree and find commands count them. find /home/daygeek/test -name "*.sh" | wc -l 7 How to use history command effectively In Linux. Great friends, I need help. I made a .mat file strut format that lists all my HDF files. These files are a set of data per year. I want to count how many files have to each year.
Java program to List all files in a directory and nested sub-directories, Given a main directory/folder, list all the files from it and if this directory have other nested sub-directories, If array[i] is a directory : -> Print out directory name. Recently, I needed to count the number of files in a directory on a Windows server. Here’s the command that can easily be scripted. It can also be used on Windows client machines running Windows 10, etc. dir/b/a-d c:\directory | find /v /c "::" You can also specify a file share instead of a directory name: dir/b/a-d \\server\share | find /v
Count files in a folder and subfolders from the command line, set filesCount=0 & for %f in (*) do @(set /a filesCount+=1 > nul). Think of folder names as keywords: Keep in mind that you can search for files using folder names; the more specific, the more quickly you’ll find what you’re looking for. Keep folders unique: Make sure there’s no overlap in what goes into your folders (e.g., there shouldn’t be two places you’re keeping invoices for the same project).
- Now THIS is truly the perfect answer and explanation to both this question aswell as this one. +1 for sure!
- The method written as fastest is slower than running the option 3, nearly twice as slow. I love Powershell, but CMD is still preferable at times.
- @BenPersonick: My tests show the opposite - please see my update. Also note that
dir /squietly ignore inaccessible directories, while the .NET-based enumeration throws an exception.
- My testing shows the opposite of yours then I almost posted a big list of results and realised I was probably wasting my time, but there is a definite skew to CMD on my system using both Measure-command and using simpler methods.
- @BenPersonick: Without looking to antagonize: making unverified claims is a waste of everyone's time. I'd be happy to draw general conclusions from your experience, but with the information given so far that's not possible.
- Came here to say this, nice. Also, just thought i'd share, if you have a single directory you can get the result even faster by not counting, and just looking for the Files output:
dir "x:\some\where\*stb*" | FIND /I "File(s)"
- @BenPersonick, You are right. As you point your approach can not be used for recursive searchs, but will also fail in different locale configurations not using
File(s)literal. I've updated the answer adding a safer version of your approach.
- I couldn't take your version of the command work because Sort overflows main memory on long listing. I did create a version of mine that work on subdirectories, but it is 2-3 times slower than the count method which I had also come up with similarly before, which is what I expected. My hack can really only be taken advantage of on single directories.
- ANd for what it's worth, the accepted answer is wrong in it's assertions, and I have been arguing with the guy, and just now realised he is testing the wrong command and that's why he's getting the wrong timing results.
- @BenPersonick, just for curiosity, as the
sortcommand is processing only the summary lines, how many folders did you use in your tests? I tested with 150000 and had no problems.