Created
March 15, 2025 17:46
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A PowerShell script to convert text to Morse code and vice versa
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function Convert-TextToMorse { | |
param ( | |
[Parameter(Mandatory = $true)] | |
[string]$Text | |
) | |
$morseDict = @{ | |
'A' = '.-'; 'B' = '-...'; 'C' = '-.-.'; 'D' = '-..'; 'E' = '.'; 'F' = '..-.' | |
'G' = '--.'; 'H' = '....'; 'I' = '..'; 'J' = '.---'; 'K' = '-.-'; 'L' = '.-..' | |
'M' = '--'; 'N' = '-.'; 'O' = '---'; 'P' = '.--.'; 'Q' = '--.-'; 'R' = '.-.' | |
'S' = '...'; 'T' = '-'; 'U' = '..-'; 'V' = '...-'; 'W' = '.--'; 'X' = '-..-' | |
'Y' = '-.--'; 'Z' = '--..'; '1' = '.----'; '2' = '..---'; '3' = '...--'; '4' = '....-' | |
'5' = '.....'; '6' = '-....'; '7' = '--...'; '8' = '---..'; '9' = '----.'; '0' = '-----' | |
' ' = '/'; '.' = '.-.-.-'; ',' = '--..--'; '?' = '..--..'; "'" = '.----.'; '!' = '-.-.--' | |
'/' = '-..-.'; '(' = '-.--.'; ')' = '-.--.-'; '&' = '.-...'; ':' = '---...'; ';' = '-.-.-.' | |
'=' = '-...-'; '+' = '.-.-.'; '-' = '-....-'; '_' = '..--.-'; '"' = '.-..-.'; '@' = '.--.-.' | |
} | |
$result = @() | |
$Text = $Text.ToUpper() | |
foreach ($char in $Text.ToCharArray()) { | |
if ($morseDict.ContainsKey($char.ToString())) { | |
$result += $morseDict[$char.ToString()] | |
} | |
else { | |
Write-Warning "Character '$char' not found in Morse code dictionary" | |
} | |
} | |
return $result -join ' ' | |
} | |
function Convert-MorseToText { | |
param ( | |
[Parameter(Mandatory = $true)] | |
[string]$MorseCode | |
) | |
$textDict = @{ | |
'.-' = 'A'; '-...' = 'B'; '-.-.' = 'C'; '-..' = 'D'; '.' = 'E'; '..-.' = 'F' | |
'--.' = 'G'; '....' = 'H'; '..' = 'I'; '.---' = 'J'; '-.-' = 'K'; '.-..' = 'L' | |
'--' = 'M'; '-.' = 'N'; '---' = 'O'; '.--.' = 'P'; '--.-' = 'Q'; '.-.' = 'R' | |
'...' = 'S'; '-' = 'T'; '..-' = 'U'; '...-' = 'V'; '.--' = 'W'; '-..-' = 'X' | |
'-.--' = 'Y'; '--..' = 'Z'; '.----' = '1'; '..---' = '2'; '...--' = '3'; '....-' = '4' | |
'.....' = '5'; '-....' = '6'; '--...' = '7'; '---..' = '8'; '----.' = '9'; '-----' = '0' | |
'/' = ' '; '.-.-.-' = '.'; '--..--' = ','; '..--..' = '?'; '.----.' = "'"; '-.-.--' = '!' | |
'-..-.' = '/'; '-.--.' = '('; '-.--.-' = ')'; '.-...' = '&'; '---...' = ':'; '-.-.-.' = ';' | |
'-...-' = '='; '.-.-.' = '+'; '-....-' = '-'; '..--.-' = '_'; '.-..-.' = '"'; '.--.-.' = '@' | |
} | |
$words = $MorseCode -split ' ' | |
$result = @() | |
foreach ($word in $words) { | |
$chars = $word -split ' ' | |
$wordText = '' | |
foreach ($char in $chars) { | |
if ($char -and $textDict.ContainsKey($char.tostring())) { | |
$wordText += $textDict[$char.tostring()] | |
} | |
elseif ($char) { | |
Write-Warning "Morse sequence '$char' not recognized" | |
} | |
} | |
if ($wordText) { | |
$result += $wordText | |
} | |
} | |
return $result -join ' ' | |
} | |
function Convert-MorseCode { | |
[CmdletBinding()] | |
param ( | |
[Parameter(Mandatory = $true, Position = 0, ValueFromPipeline = $true)] | |
[string]$InputText, | |
[Parameter()] | |
[switch]$FromMorse | |
) | |
process { | |
if ($FromMorse) { | |
Convert-MorseToText -MorseCode $InputText | |
} | |
else { | |
Convert-TextToMorse -Text $InputText | |
} | |
} | |
} |
Author
dfinke
commented
Mar 15, 2025
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