mirror of
https://github.com/fleschutz/PowerShell.git
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86 lines
2.9 KiB
PowerShell
Executable File
86 lines
2.9 KiB
PowerShell
Executable File
#!/snap/bin/powershell
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# Syntax: ./write-morse-code.ps1 [<text>]
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# Description: writes the given text in Morse code
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# Author: Markus Fleschutz
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# Source: github.com/fleschutz/PowerShell
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# License: CC0
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param([String]$Text)
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$OneTimeUnit = 100 # milliseconds
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function gap() { param([Int]$Length)
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for ($i = 1; $i -lt $Length; $i++) {
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write-host " " -nonewline
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}
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start-sleep -milliseconds ($Length * $OneTimeUnit)
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}
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function dot() {
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write-host "." -nonewline
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start-sleep -milliseconds $OneTimeUnit # signal
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}
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function dash() {
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write-host "_" -nonewline
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start-sleep -milliseconds (3 * $OneTimeUnit) # signal
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}
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function Char2MorseCode() { param([String]$Char)
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switch($Char) {
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'A' { dot; gap 1; dash; gap 3 }
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'B' { dash; gap 1; dot; gap 1; dot; gap 1; dot; gap 3 }
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'C' { dash; gap 1; dot; gap 1; dash; gap 1; dot; gap 3 }
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'D' { dash; gap 1; dot; gap 1; dot; gap 3 }
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'E' { dot; gap 3 }
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'F' { dot; gap 1; dot; gap 1; dash; gap 1; dot; gap 3 }
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'G' { dash; gap 1; dash; gap 1; dot; gap 3 }
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'H' { dot; gap 1; dot; gap 1; dot; gap 1; dot; gap 3 }
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'I' { dot; gap 1; dot; gap 3 }
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'J' { dot; gap 1; dash; gap 1; dash; gap 1; dash; gap 3 }
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'K' { dash; gap 1; dot; gap 1; dash; gap 3 }
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'L' { dot; gap 1; dash; gap 1; dot; gap 1; dot; gap 3 }
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'M' { dash; gap 1; dash; gap 3 }
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'N' { dash; gap 1; dot; gap 3 }
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'O' { dash; gap 1; dash; gap 1; dash; gap 3 }
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'P' { dot; gap 1; dash; gap 1; dash; gap 1; dot; gap 3 }
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'Q' { dash; gap 1; dash; gap 1; dot; gap 1; dash; gap 3 }
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'R' { dot; gap 1; dash; gap 1; dot; gap 3 }
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'S' { dot; gap 1; dot; gap 1; dot; gap 3 }
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'T' { dash; gap 3 }
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'U' { dot; gap 1; dot; gap 1; dash; gap 3 }
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'V' { dot; gap 1; dot; gap 1; dot; gap 1; dash; gap 3 }
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'W' { dot; gap 1; dash; gap 1; dash; gap 3 }
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'X' { dash; gap 1; dot; gap 1; dot; gap 1; dash; gap 3 }
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'Y' { dash; gap 1; dot; gap 1; dash; gap 1; dash; gap 3 }
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'Z' { dash; gap 1; dash; gap 1; dot; gap 1; dot; gap 3 }
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'1' { dot; gap 1; dash; gap 1; dash; gap 1; dash; gap 1; dash; gap 3 }
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'2' { dot; gap 1; dot; gap 1; dash; gap 1; dash; gap 1; dash; gap 3 }
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'3' { dot; gap 1; dot; gap 1; dot; gap 1; dash; gap 1; dash; gap 3 }
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'4' { dot; gap 1; dot; gap 1; dot; gap 1; dot; gap 1; dash; gap 3 }
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'5' { dot; gap 1; dot; gap 1; dot; gap 1; dot; gap 1; dot; gap 3 }
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'6' { dash; gap 1; dot; gap 1; dot; gap 1; dot; gap 1; dot; gap 3 }
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'7' { dash; gap 1; dash; gap 1; dot; gap 1; dot; gap 1; dot; gap 3 }
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'8' { dash; gap 1; dash; gap 1; dash; gap 1; dot; gap 1; dot; gap 3 }
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'9' { dash; gap 1; dash; gap 1; dash; gap 1; dash; gap 1; dot; gap 3 }
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'0' { dash; gap 1; dash; gap 1; dash; gap 1; dash; gap 1; dash; gap 3 }
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default { gap 7 } # medium gap (between words)
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}
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}
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try {
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if ($Text -eq "" ) {
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[String]$Text = read-host "Enter text to write"
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}
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[char[]]$ArrayOfChars = $Text.ToUpper()
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foreach($Char in $ArrayOfChars) {
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Char2MorseCode $Char
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}
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write-host ""
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write-host ""
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exit 0
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} catch {
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write-error "ERROR in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
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}
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