<# .SYNOPSIS Prints the SHA1 hash of a file .DESCRIPTION This PowerShell script calculates and prints the SHA1 checksum of the given file. NOTE: SHA1 is no longer considered secure, use it for simple change validation only! .PARAMETER path Specifies the local file path to the file .EXAMPLE PS> ./get-sha1.ps1 C:\MyFile.txt ✅ SHA1 hash is 8105D424D350E308AED92BD9DDEB74A1B53C5D7C .LINK https://github.com/fleschutz/PowerShell .NOTES Author: Markus Fleschutz | License: CC0 #> param([string]$path = "") try { if ($path -eq "" ) { $path = Read-Host "Enter the file path" } if (-not(Test-Path $path -pathType leaf)) { throw "Invalid file path given: $path" } $result = Get-FileHash -path $path -algorithm SHA1 "✅ SHA1 hash is $($result.Hash)" exit 0 # success } catch { "⚠️ Error: $($Error[0])" exit 1 }