22/10/2014 · In conclusion, seeking through the file with Get-Content -ReadCount seems to be the seconds fastest way to go through a large text file. First option with large files is [System.IO.File]::ReadLines(): [System.IO.File]::ReadLines(): 6 seconds; Get-Content -ReadCount 1000: 7 seconds; Switch -File: 10 seconds [System.IO.File]::OpenText().readtoend(): 10 …

20/03/2019 · Let’s consider the example of quick searching large files on your local computer drive using PowerShell. You can use the Get-ChildItem cmdlet to list the files in a specific directory (including subfolders) and their sizes.The cmdlet can search files across the entire disk or in a specific folder (for example, in user profiles and any other folders).

24/02/2012 · The Get-Content cmdlet does not perform as well as a StreamReader when dealing with very large files. You can read a file line by line using a StreamReader like this: $path = 'C:\A-Very-Large-File.txt' $r = [IO.File]::OpenText($path) while ($r.Peek() -ge 0) { $line = $r.ReadLine() # Process $line here... } $r.Dispose()

16/04/2018 · Get-ChildItem alone can't find the largest files. Thus, you have to filter its output to extract the wanted properties. Thus, you have to filter its output to extract the wanted properties. gci -r| sort -descending -property length | select -first 10 name, length

09/06/2012 · I've seen several ideas about processing large text files with powershell. (gc $LogFile -Read 1000000 |%{$_} |Measure-Object).Count is faster than (gc $LogFile).Count. not only am I not sure their is still not a better a way, once I get the total line number at that point, I need to process all new lines shortly after: