PowerShell/scripts/write-morse-code.ps1
2024-10-01 15:24:16 +02:00

101 lines
3.9 KiB
PowerShell
Executable File

<#
.SYNOPSIS
Writes Morse code
.DESCRIPTION
This PowerShell script writes the given text in Morse code.
.PARAMETER text
Specifies the text to write
.PARAMETER speed
Specifies the speed of one time unit (100 ms per default)
.EXAMPLE
PS> ./write-morse-code ABC
● ― ― ● ● ● ― ● ― ●
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
param([string]$text = "", [int]$speed = 100) # one time unit in milliseconds
function gap { param([int]$Length)
for ([int]$i = 0; $i -lt $Length; $i++) {
Write-Host " " -noNewline
}
Start-Sleep -milliseconds ($Length * $speed)
}
function dot {
Write-Host "" -noNewline
Start-Sleep -milliseconds $speed # signal
}
function dash {
Write-Host "" -noNewline
Start-Sleep -milliseconds (3 * $speed) # signal
}
function Char2MorseCode { param([string]$Char)
switch($Char) {
'A' { dot; gap 1; dash; gap 3 }
'B' { dash; gap 1; dot; gap 1; dot; gap 1; dot; gap 3 }
'C' { dash; gap 1; dot; gap 1; dash; gap 1; dot; gap 3 }
'D' { dash; gap 1; dot; gap 1; dot; gap 3 }
'E' { dot; gap 3 }
'F' { dot; gap 1; dot; gap 1; dash; gap 1; dot; gap 3 }
'G' { dash; gap 1; dash; gap 1; dot; gap 3 }
'H' { dot; gap 1; dot; gap 1; dot; gap 1; dot; gap 3 }
'I' { dot; gap 1; dot; gap 3 }
'J' { dot; gap 1; dash; gap 1; dash; gap 1; dash; gap 3 }
'K' { dash; gap 1; dot; gap 1; dash; gap 3 }
'L' { dot; gap 1; dash; gap 1; dot; gap 1; dot; gap 3 }
'M' { dash; gap 1; dash; gap 3 }
'N' { dash; gap 1; dot; gap 3 }
'O' { dash; gap 1; dash; gap 1; dash; gap 3 }
'P' { dot; gap 1; dash; gap 1; dash; gap 1; dot; gap 3 }
'Q' { dash; gap 1; dash; gap 1; dot; gap 1; dash; gap 3 }
'R' { dot; gap 1; dash; gap 1; dot; gap 3 }
'S' { dot; gap 1; dot; gap 1; dot; gap 3 }
'T' { dash; gap 3 }
'U' { dot; gap 1; dot; gap 1; dash; gap 3 }
'V' { dot; gap 1; dot; gap 1; dot; gap 1; dash; gap 3 }
'W' { dot; gap 1; dash; gap 1; dash; gap 3 }
'X' { dash; gap 1; dot; gap 1; dot; gap 1; dash; gap 3 }
'Y' { dash; gap 1; dot; gap 1; dash; gap 1; dash; gap 3 }
'Z' { dash; gap 1; dash; gap 1; dot; gap 1; dot; gap 3 }
'1' { dot; gap 1; dash; gap 1; dash; gap 1; dash; gap 1; dash; gap 3 }
'2' { dot; gap 1; dot; gap 1; dash; gap 1; dash; gap 1; dash; gap 3 }
'3' { dot; gap 1; dot; gap 1; dot; gap 1; dash; gap 1; dash; gap 3 }
'4' { dot; gap 1; dot; gap 1; dot; gap 1; dot; gap 1; dash; gap 3 }
'5' { dot; gap 1; dot; gap 1; dot; gap 1; dot; gap 1; dot; gap 3 }
'6' { dash; gap 1; dot; gap 1; dot; gap 1; dot; gap 1; dot; gap 3 }
'7' { dash; gap 1; dash; gap 1; dot; gap 1; dot; gap 1; dot; gap 3 }
'8' { dash; gap 1; dash; gap 1; dash; gap 1; dot; gap 1; dot; gap 3 }
'9' { dash; gap 1; dash; gap 1; dash; gap 1; dash; gap 1; dot; gap 3 }
'0' { dash; gap 1; dash; gap 1; dash; gap 1; dash; gap 1; dash; gap 3 }
'?' { dot; gap 1; dot; gap 1; dash; gap 1; dash; gap 1; dot; gap 1; dot; gap 3 }
'!' { dash; gap 1; dot; gap 1; dash; gap 1; dot; gap 1; dash; gap 1; dash; gap 3 }
'.' { dot; gap 1; dash; gap 1; dot; gap 1; dash; gap 1; dot; gap 1; dash; gap 3 }
',' { dash; gap 1; dash; gap 1; dot; gap 1; dot; gap 1; dash; gap 1; dash; gap 3 }
"'" { dash; gap 1; dot; gap 1; dash; gap 1; dot; gap 1; dash; gap 1; dot; gap 3 }
':' { dash; gap 1; dash; gap 1; dash; gap 1; dot; gap 1; dot; gap 1; dot; gap 3 }
'+' { dot; gap 1; dash; gap 1; dot; gap 1; dash; gap 1; dot; gap 3 }
'-' { dash; gap 1; dot; gap 1; dot; gap 1; dot; gap 1; dot; gap 1; dash; gap 3 }
'*' { dash; gap 1; dot; gap 1; dot; gap 1; dash; gap 3 }
'÷' { dash; gap 1; dot; gap 1; dot; gap 1; dash; gap 1; dot; gap 3 }
default { gap 7 } # medium gap (between words)
}
}
try {
if ($text -eq "" ) { [string]$text = Read-Host "Enter text to write" }
[char[]]$ArrayOfChars = $text.ToUpper()
foreach($Char in $ArrayOfChars) {
Char2MorseCode $Char
}
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}