internal/functions/Convert-ISO8601ToTimespan.ps1
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<#
.SYNOPSIS Convert ISO8601 duration to a .NET timespan object .DESCRIPTION Convert ISO8601 duration to a .NET timespan object https://en.wikipedia.org/wiki/ISO_8601#Durations A month is always 30 days A year is always 365 days No support for miliseconds .PARAMETER Duration ISO8601 duration .EXAMPLE Convert-ISO8601ToTimespan -Duration "PT39M6.3580667S" .NOTES Copyright: (c) 2018 Fabian Bader License: MIT https://opensource.org/licenses/MIT #> function Convert-ISO8601ToTimespan { [CmdletBinding()] param ( [Parameter(Mandatory = $true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] [ValidateScript( { if ($_ -match "^P(?<years>\d*Y)?(?<months>\d*M)?(?<days>\d*D)?(T)?(?<hours>\d*H)?(?<minutes>\d*M)?(?<seconds>[\d.]*S)?$" ) { $true } else { throw "Not a valid ISO8601 duration" } } )] [string]$Duration ) Process { if ($Duration -match "^P(?<years>\d*Y)?(?<months>\d*M)?(?<days>\d*D)?(T)?(?<hours>\d*H)?(?<minutes>\d*M)?(?<seconds>[\d.]*S)?$" ) { $years = [Int32]($matches['years'] -replace "[^\d.,]") $months = [Int32]($matches['months'] -replace "[^\d.,]") $days = [Int32]($matches['days'] -replace "[^\d.,]") $hours = [Int32]($matches['hours'] -replace "[^\d.,]") $minutes = [Int32]($matches['minutes'] -replace "[^\d.,]") $seconds = [Int32]($matches['seconds'] -replace "[^\d.,]") #region Convert years and month to days if ($years -gt 0) { $days = $years * 365 + $days } if ($months -gt 0) { $days = $months * 30 + $days } #endregion New-TimeSpan -Days $days -Hours $hours -Minutes $minutes -Seconds $seconds } } } |