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41 lines
1.1 KiB
PowerShell
Executable File
41 lines
1.1 KiB
PowerShell
Executable File
<#
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.SYNOPSIS
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Writes animated text
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.DESCRIPTION
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This PowerShell script writes text centered and animated to the console.
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.PARAMETER text
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Specifies the text line to write ("Welcome to PowerShell" by default)
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.PARAMETER speed
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Specifies the animation speed per character (10ms by default)
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.EXAMPLE
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PS> ./write-animated.ps1
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(watch and enjoy)
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.LINK
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https://github.com/fleschutz/PowerShell
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.NOTES
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Author: Markus Fleschutz | License: CC0
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#>
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param([string]$text = "Welcome to PowerShell", [int]$speed = 10) # 10ms
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function WriteLine([string]$line) {
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[int]$end = $line.Length
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$startPos = $HOST.UI.RawUI.CursorPosition
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$spaces = " "
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[int]$termHalfWidth = 120 / 2
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foreach($pos in 1 .. $end) {
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$HOST.UI.RawUI.CursorPosition = $startPos
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Write-Host "$($spaces.Substring(0, $termHalfWidth - $pos / 2) + $line.Substring(0, $pos))" -noNewline
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Start-Sleep -milliseconds $speed
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}
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Write-Host ""
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}
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try {
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WriteLine $text
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exit 0 # success
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} catch {
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"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
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}
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