PowerShell/docs/write-rot13.md
2024-08-15 09:51:46 +02:00

86 lines
2.0 KiB
Markdown

Script: *write-rot13.ps1*
========================
This PowerShell script writes text encoded or decoded with ROT13.
Parameters
----------
```powershell
PS> ./write-rot13.ps1 [[-text] <String>] [<CommonParameters>]
-text <String>
Specifies the text to write
Required? false
Position? 1
Default value
Accept pipeline input? false
Accept wildcard characters? false
[<CommonParameters>]
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
```
Example
-------
```powershell
PS> ./write-rot13 "Hello World"
```
Notes
-----
Author: Markus Fleschutz | License: CC0
Related Links
-------------
https://github.com/fleschutz/PowerShell
Script Content
--------------
```powershell
<#
.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
}
```
*(generated by convert-ps2md.ps1 using the comment-based help of write-rot13.ps1 as of 08/15/2024 09:50:55)*