mirror of
https://github.com/fleschutz/PowerShell.git
synced 2024-12-15 11:10:54 +01:00
41 lines
1005 B
PowerShell
Executable File
41 lines
1005 B
PowerShell
Executable File
<#
|
|
.SYNOPSIS
|
|
Writes text encoded or decoded with ROT13
|
|
.DESCRIPTION
|
|
This PowerShell script writes text encoded or decoded with ROT13.
|
|
.PARAMETER text
|
|
Specifies the text to write
|
|
.EXAMPLE
|
|
PS> ./write-rot13 "Hello World"
|
|
.LINK
|
|
https://github.com/fleschutz/PowerShell
|
|
.NOTES
|
|
Author: Markus Fleschutz | License: CC0
|
|
#>
|
|
|
|
param([string]$text = "")
|
|
|
|
function ROT13 { param([string]$text)
|
|
$text.ToCharArray() | ForEach-Object {
|
|
if ((([int] $_ -ge 97) -and ([int] $_ -le 109)) -or (([int] $_ -ge 65) -and ([int] $_ -le 77))) {
|
|
$Result += [char] ([int] $_ + 13);
|
|
} elseif ((([int] $_ -ge 110) -and ([int] $_ -le 122)) -or (([int] $_ -ge 78) -and ([int] $_ -le 90))) {
|
|
$Result += [char] ([int] $_ - 13);
|
|
} else {
|
|
$Result += $_
|
|
}
|
|
}
|
|
return $Result
|
|
}
|
|
|
|
try {
|
|
if ($text -eq "" ) { $text = read-host "Enter text to write" }
|
|
|
|
$Result = ROT13 $text
|
|
write-output $Result
|
|
exit 0 # success
|
|
} catch {
|
|
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
|
|
exit 1
|
|
}
|