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118 lines
3.0 KiB
Markdown
118 lines
3.0 KiB
Markdown
## The *list-anagrams.ps1* PowerShell Script
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This PowerShell script lists all anagrams of the given word.
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## Parameters
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```powershell
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list-anagrams.ps1 [[-Word] <String>] [[-Columns] <Int32>] [<CommonParameters>]
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-Word <String>
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Specifies the word to use
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Required? false
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Position? 1
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Default value
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Accept pipeline input? false
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Accept wildcard characters? false
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-Columns <Int32>
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Specifies the number of columns
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Required? false
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Position? 2
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Default value 8
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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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```powershell
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PS> ./list-anagrams Baby
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```
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## Notes
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Author: Markus Fleschutz | License: CC0
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## Related Links
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https://github.com/fleschutz/PowerShell
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## Source Code
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```powershell
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<#
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.SYNOPSIS
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Lists all anagrams of the given word
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.DESCRIPTION
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This PowerShell script lists all anagrams of the given word.
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.PARAMETER Word
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Specifies the word to use
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.PARAMETER Columns
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Specifies the number of columns
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.EXAMPLE
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PS> ./list-anagrams Baby
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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]$Word = "", [int]$Columns = 8)
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function GetPermutations {
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[cmdletbinding()]
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Param(
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[parameter(ValueFromPipeline=$True)]
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[string]$String = 'the'
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)
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Begin {
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Function NewAnagram { Param([int]$NewSize)
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if ($NewSize -eq 1) {
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return
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}
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for ($i=0;$i -lt $NewSize; $i++) {
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NewAnagram -NewSize ($NewSize - 1)
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if ($NewSize -eq 2) {
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New-Object PSObject -Property @{
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Permutation = $stringBuilder.ToString()
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}
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}
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MoveLeft -NewSize $NewSize
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}
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}
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Function MoveLeft { Param([int]$NewSize)
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$z = 0
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$position = ($Size - $NewSize)
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[char]$temp = $stringBuilder[$position]
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for ($z=($position+1);$z -lt $Size; $z++) {
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$stringBuilder[($z-1)] = $stringBuilder[$z]
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}
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$stringBuilder[($z-1)] = $temp
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}
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}
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Process {
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$size = $String.length
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$stringBuilder = New-Object System.Text.StringBuilder -ArgumentList $String
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NewAnagram -NewSize $Size
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}
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End {}
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}
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try {
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if ($Word -eq "" ) {
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$Word = read-host "Enter word"
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$Columns = read-host "Enter number of columns"
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}
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GetPermutations -String $Word | Format-Wide -Column $Columns
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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 list-anagrams.ps1*
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