132 lines
3.5 KiB
Plaintext
132 lines
3.5 KiB
Plaintext
function Get-NumberName
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{
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<#
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.SYNOPSIS
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Spells out a number in English.
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.DESCRIPTION
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Spells out a number in English in the range of 0 to 999,999,999.
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.NOTES
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The code for this function was copied (almost word for word) from the C#
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example on this page to show how similar Powershell is to C#.
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.PARAMETER Number
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One or more integers in the range of 0 to 999,999,999.
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.EXAMPLE
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Get-NumberName -Number 666
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.EXAMPLE
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Get-NumberName 1, 234, 31337, 987654321
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.EXAMPLE
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1, 234, 31337, 987654321 | Get-NumberName
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#>
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[CmdletBinding()]
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[OutputType([string])]
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Param
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(
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[Parameter(Mandatory=$true, ValueFromPipeline=$true)]
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[ValidateRange(0,999999999)]
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[int[]]
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$Number
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)
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Begin
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{
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[string[]]$incrementsOfOne = "zero", "one", "two", "three", "four",
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"five", "six", "seven", "eight", "nine",
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"ten", "eleven", "twelve", "thirteen", "fourteen",
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"fifteen", "sixteen", "seventeen", "eighteen", "nineteen"
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[string[]]$incrementsOfTen = "", "", "twenty", "thirty", "fourty",
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"fifty", "sixty", "seventy", "eighty", "ninety"
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[string]$millionName = "million"
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[string]$thousandName = "thousand"
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[string]$hundredName = "hundred"
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[string]$andName = "and"
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function GetName([int]$i)
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{
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[string]$output = ""
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if ($i -ge 1000000)
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{
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$remainder = $null
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$output += (ParseTriplet ([Math]::DivRem($i,1000000,[ref]$remainder))) + " " + $millionName
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$i = $remainder
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if ($i -eq 0) { return $output }
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}
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if ($i -ge 1000)
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{
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if ($output.Length -gt 0)
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{
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$output += ", "
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}
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$remainder = $null
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$output += (ParseTriplet ([Math]::DivRem($i,1000,[ref]$remainder))) + " " + $thousandName
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$i = $remainder
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if ($i -eq 0) { return $output }
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}
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if ($output.Length -gt 0)
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{
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$output += ", "
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}
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$output += (ParseTriplet $i)
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return $output
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}
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function ParseTriplet([int]$i)
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{
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[string]$output = ""
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if ($i -ge 100)
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{
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$remainder = $null
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$output += $incrementsOfOne[([Math]::DivRem($i,100,[ref]$remainder))] + " " + $hundredName
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$i = $remainder
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if ($i -eq 0) { return $output }
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}
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if ($output.Length -gt 0)
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{
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$output += " " + $andName + " "
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}
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if ($i -ge 20)
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{
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$remainder = $null
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$output += $incrementsOfTen[([Math]::DivRem($i,10,[ref]$remainder))]
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$i = $remainder
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if ($i -eq 0) { return $output }
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}
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if ($output.Length -gt 0)
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{
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$output += " "
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}
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$output += $incrementsOfOne[$i]
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return $output
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}
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}
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Process
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{
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foreach ($n in $Number)
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{
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[PSCustomObject]@{
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Number = $n
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Name = GetName $n
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}
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}
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}
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}
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1, 234, 31337, 987654321 | Get-NumberName
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