zxsh-functions.ps1
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<# .Description This script defines the functions that are integrated in the usage of zxsh. Declared functions: 1. Set-Title 2. Prompt 3. Get-EmptyFolders 4. Reset-Color 5. Get-IntegrityHash #> <# .SYNOPSIS Set-Title .DESCRIPTION Set title of console Window .PARAMETER $args Set title of console Window to $args .EXAMPLE # Set title of console Window to 'ps7' Title ps7 #> Function Set-Title { (Get-Host).UI.RawUI.WindowTitle = $args } <# .SYNOPSIS Prompt .DESCRIPTION Defines the prompt in zxsh; Used internally. #> Function Prompt { $current_path = (Get-Location).Path $last_command = (Get-History -Count 1) if ((($null -ne $last_command) -And ($last_command.CommandLine.Trim().ToLowerInvariant() -match "git\s+checkout\s+.+")) -Or ($Script:PrevPwd -ne $current_path)) { $Script:BranchName = $(git branch --show-current) $Script:GitBranchExitCode = $LASTEXITCODE $Script:PrevPwd = $current_path } "`e[32m$env:USERDOMAIN>$env:USERNAME`e[39m $PWD $(if ($Script:GitBranchExitCode -eq 0) { "`e[36m($Script:BranchName)`e[39m" })`nPS> " } <# .SYNOPSIS Get-EmptyFolders .DESCRIPTION List all empty folders in a given path recursively. .EXAMPLE # Recursively list all empty folders starting from current folder Get-EmptyFolders .EXAMPLE # Recursively list all empty folders starting from stated folder C:\temp Get-EmptyFolders C:\temp #> Function Get-EmptyFolders { [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSAvoidDefaultValueSwitchParameter', Scope='Function', Target='Recurse', Justification='We intentionally want this to be the default behaviour')] [CmdletBinding()] param ( [Parameter()] [string] $Path = ".", [Parameter()] [switch] $Recurse = $true ) Get-ChildItem -Path $Path -Directory -Recurse:$Recurse | Where-Object { ($_.GetFiles().Count -eq 0) -and ($_.GetDirectories().Count -eq 0) } | Sort-Object { $_.FullName } | Select-Object FullName } <# .SYNOPSIS Reset-Color .DESCRIPTION Reset the color of the console to default .EXAMPLE # Reset the color of the console to default Reset-Color #> Function Reset-Color { [Console]::ResetColor() } <# .SYNOPSIS Get-IntegrityHash .DESCRIPTION Get the integrity hash for URL .EXAMPLE # Get SHA256 (default) hash for integrity attribute Get-IntegrityHash "https://unpkg.com/react@17/umd/react.development.js" # Get SHA384 hash for integrity attribute Get-IntegrityHash "https://unpkg.com/react@17/umd/react.development.js" "sha384" #> function Get-IntegrityHash { param ( [string] $url="", [string] $hash="sha256" ) switch ($hash.ToLowerInvariant()) { "sha1" { try { $result = [Convert]::ToBase64String( [System.Security.Cryptography.SHA1]::Create().ComputeHash( [System.Net.WebClient]::new().DownloadData($url) ) ) } catch { Write-Error $_ } } "sha256" { try { $result = [Convert]::ToBase64String( [System.Security.Cryptography.SHA256]::Create().ComputeHash( [System.Net.WebClient]::new().DownloadData($url) ) ) } catch { Write-Error $_ } } "sha384" { try { $result = [Convert]::ToBase64String( [System.Security.Cryptography.SHA384]::Create().ComputeHash( [System.Net.WebClient]::new().DownloadData($url) ) ) } catch { Write-Error $_ } } "sha512" { try { $result = [Convert]::ToBase64String( [System.Security.Cryptography.SHA512]::Create().ComputeHash( [System.Net.WebClient]::new().DownloadData($url) ) ) } catch { Write-Error $_ } } default { throw "Invalid $hash" } } Write-Host "$hash-$result" } <# .SYNOPSIS ConvertTo-IntId .DESCRIPTION Compute a string into an integer .EXAMPLE # Compute a string "MiniTools.Web.Controllers.LoginController" into an integer ConvertTo-IntId MiniTools.Web.Controllers.LoginController #> Function ConvertTo-IntId { param ( [string] $text="" ) if ($text.Length -eq 0) { Write-Host "Usage: ConvertTo-IntId 'MiniTools.Web.Controllers.LoginController' (Should yield result 251394) " return } $w,$s=0; [System.Security.Cryptography.SHA1CryptoServiceProvider]::new().ComputeHash([Text.Encoding]::UTF8.GetBytes($text)).ForEach({$_*++$w}).ForEach({$s+=$_});"$s$($s%11)" } |