Improve Powershell Performance to Generate a Random File

Question

I\'d like to user Powershell to create a random text file for use in basic system testing (upload, download, checksum, etc). I\'ve used the following articles and co

Answer 1

One of the bottlenecks is calling the get-random cmdlet in the loop. On my machine that join takes ~40ms. If you change to something like:

%{ -join ((get-random -InputObject $chars -Count 62) + (get-random -InputObject $chars -Count 62) + (get-random -InputObject $chars -Count 2)) }

it is reduced to ~1ms.