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86 lines
2.0 KiB
Markdown
86 lines
2.0 KiB
Markdown
Script: *write-rot13.ps1*
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========================
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This PowerShell script writes text encoded or decoded with ROT13.
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Parameters
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----------
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```powershell
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PS> ./write-rot13.ps1 [[-text] <String>] [<CommonParameters>]
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-text <String>
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Specifies the text to write
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Required? false
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Position? 1
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Default value
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Accept pipeline input? false
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Accept wildcard characters? false
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[<CommonParameters>]
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This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
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WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
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```
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Example
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-------
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```powershell
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PS> ./write-rot13 "Hello World"
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```
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Notes
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-----
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Author: Markus Fleschutz | License: CC0
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Related Links
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-------------
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https://github.com/fleschutz/PowerShell
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Script Content
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--------------
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```powershell
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<#
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.SYNOPSIS
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Writes text encoded or decoded with ROT13
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.DESCRIPTION
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This PowerShell script writes text encoded or decoded with ROT13.
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.PARAMETER text
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Specifies the text to write
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.EXAMPLE
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PS> ./write-rot13 "Hello World"
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.LINK
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https://github.com/fleschutz/PowerShell
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.NOTES
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Author: Markus Fleschutz | License: CC0
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#>
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param([string]$text = "")
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function ROT13 { param([string]$text)
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$text.ToCharArray() | ForEach-Object {
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if ((([int] $_ -ge 97) -and ([int] $_ -le 109)) -or (([int] $_ -ge 65) -and ([int] $_ -le 77))) {
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$Result += [char] ([int] $_ + 13);
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} elseif ((([int] $_ -ge 110) -and ([int] $_ -le 122)) -or (([int] $_ -ge 78) -and ([int] $_ -le 90))) {
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$Result += [char] ([int] $_ - 13);
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} else {
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$Result += $_
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}
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}
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return $Result
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}
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try {
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if ($text -eq "" ) { $text = read-host "Enter text to write" }
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$Result = ROT13 $text
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write-output $Result
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exit 0 # success
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} catch {
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"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
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}
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```
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*(generated by convert-ps2md.ps1 using the comment-based help of write-rot13.ps1 as of 05/19/2024 10:25:27)*
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