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96 lines
2.5 KiB
Markdown
96 lines
2.5 KiB
Markdown
Script: *write-animated.ps1*
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========================
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This PowerShell script writes text centered and animated to the console.
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Parameters
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----------
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```powershell
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PS> ./write-animated.ps1 [[-text] <String>] [[-speed] <Int32>] [<CommonParameters>]
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-text <String>
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Specifies the text line to write ("Welcome to PowerShell" by default)
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Required? false
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Position? 1
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Default value Welcome to PowerShell
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Accept pipeline input? false
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Accept wildcard characters? false
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-speed <Int32>
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Specifies the animation speed per character (10ms by default)
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Required? false
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Position? 2
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Default value 10
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Accept pipeline input? false
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Accept wildcard characters? false
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[<CommonParameters>]
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This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
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WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
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```
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Example
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-------
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```powershell
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PS> ./write-animated.ps1
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(watch and enjoy)
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```
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Notes
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-----
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Author: Markus Fleschutz | License: CC0
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Related Links
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-------------
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https://github.com/fleschutz/PowerShell
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Script Content
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--------------
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```powershell
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<#
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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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```
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*(generated by convert-ps2md.ps1 using the comment-based help of write-animated.ps1 as of 08/15/2024 09:50:55)*
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