mirror of
https://github.com/fleschutz/PowerShell.git
synced 2024-12-27 17:19:16 +01:00
35 lines
906 B
PowerShell
Executable File
35 lines
906 B
PowerShell
Executable File
#!/usr/bin/pwsh
|
|
<#
|
|
.SYNTAX ./write-rot13.ps1 [<text>]
|
|
.DESCRIPTION encodes or decodes the given text with ROT13
|
|
.LINK https://github.com/fleschutz/PowerShell
|
|
.NOTES Author: Markus Fleschutz / License: CC0
|
|
#>
|
|
|
|
param($Text = "")
|
|
|
|
function ROT13 { param([string]$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 "" ) {
|
|
[string]$Text = read-host "Enter text to write"
|
|
}
|
|
$Result = ROT13 $Text
|
|
write-output $Result
|
|
exit 0
|
|
} catch {
|
|
write-error "ERROR: line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
|
|
exit 1
|
|
}
|