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Updated list-anagrams.ps1
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@ -7,46 +7,43 @@
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# License: CC0
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param([string]$Word)
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$Columns = 8
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Function Get-StringPermutation {
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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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#region Internal Functions
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Function New-Anagram {
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Param([int]$NewSize)
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If ($NewSize -eq 1) {
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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; $i++) {
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New-Anagram -NewSize ($NewSize - 1)
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If ($NewSize -eq 2) {
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for ($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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Move-Left -NewSize $NewSize
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MoveLeft -NewSize $NewSize
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}
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}
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Function Move-Left {
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Param([int]$NewSize)
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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; $z++) {
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for ($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)] = $temp
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}
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#endregion Internal Functions
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}
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Process {
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$size = $String.length
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$stringBuilder = New-Object System.Text.StringBuilder -ArgumentList $String
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New-Anagram -NewSize $Size
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NewAnagram -NewSize $Size
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}
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End {}
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}
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@ -54,8 +51,9 @@ Function Get-StringPermutation {
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try {
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if ($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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Get-StringPermutation -String $Word | Format-Wide -Column 1
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GetPermutations -String $Word | Format-Wide -Column $Columns
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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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