The best method I found for large files is to use IO.StreamReader to load the file from disk and count each row using a variable. This keeps memory usage down to a very reasonable 25MB and is much, much quicker, taking around 30 seconds to count rows in a 1GB file or a couple of minutes for a 6GB file.

Feb 26, 2024 · To count lines in a file using PowerShell, you can use the Get-Content cmdlet combined with Measure-Object. For example, $lineCount = (Get-Content ‘C:\path\to\file.txt’ | Measure-Object -Line).Lines will give you the total number of lines in ‘file.txt’.

Mar 25, 2014 · for %%a in ("c:\folder\*.txt") do for /f %%b in ('find /c /v "" ^<"%%~fa"') do echo(%%~nxa %%b. For each file in list, count its lines and output to log file the name and the count of lines. Or for a faster version, as the find command is only executed once. for /f "tokens=1,*" %%a in ('find /c /v "" "c:\folder\*.txt"') do @echo(%%b.

Dec 23, 2018 · Here's a PowerShell script I cobbled together which demonstrates a few different methods of counting lines in a text file, along with the time and memory required for each method. The results (below) show clear differences in the time and memory requirements.

Oct 9, 2011 · For example, I can use the Get-ChildItem cmdlet to return fileinfo objects for all the text files in the folder. I can examine the length property and find out the minimum length of the files in the folder, the maximum length, the average …

You can use Measure-Object to count objects or count objects with a specified Property. You can also use Measure-Object to calculate the Minimum, Maximum, Sum, StandardDeviation and Average of numeric values.

This tutorial explains how to count the number of lines in a file using PowerShell, including several examples.

Jan 22, 2024 · In this blog post, we’ll explore how the Measure-Object PowerShell cmdlet can be a powerful ally in counting rows, words, and lines in various scenarios. Additionally, we’ll dive into its applications for counting files and dive into the intricacies of row counting in CSV files,

Aug 6, 2022 · Method 2 - PowerShell In PowerShell, the Measure-Object command can be used with -Line parameter in order to count the number of lines: type test.txt | Measure-Object -Line | %{$_.Lines}

Dec 23, 2018 · To get the number of lines ending in Y, you can do this: get-content test.txt | select-string Y$ | measure-object -line And to get the number of lines ending in N, you can do this: