public/Get-BatteryInfo.ps1
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function Get-BatteryInfo { <# .SYNOPSIS On a system with the binary `upower`, gets battery data .DESCRIPTION Uses `upower` binary to gather battery data on a laptop, filters it using regex and returns using a PSCustomObject .NOTES Author: Emil Larsson, 2023-03-26 .EXAMPLE Get-BatteryInfo Gets status on current battery. #> [CmdletBinding()] param() # Verifies required binary Resolve-BinDep -Bins "upower" # Run upower, filter data $Battery = upower -e | Where-Object { $_ -match "BAT[0-9]" } if ( -not $Battery) { Write-Error '"upower -e" did not find a battery to gather data from. Must match "BAT[0-9]".' -ErrorAction Stop } $regex = '(?i)\b(model|rechargeable|state|warning-level|energy(-full(-design)?|-rate)?|voltage|charge-cycles|time to empty|percentage|capacity|technology)\b' $FilteredData = upower -i $Battery | Select-String $regex -Raw $FilteredData = $FilteredData.Replace(' ', '').Replace(": ", ":") # Time to empty if ($FilteredData -like "*time to empty*") { $TimeToEmpty = $FilteredData[11].Split(":")[1] $ArrayPatchInt = 0 } else { $TimeToEmpty = $FilteredData[2].Split(":")[1] $ArrayPatchInt = 1 } $RechargeableState = if ($FilteredData[1].Split(":")[1] -eq 'yes' ) { $true } else { $false } # Build Object $Object = [PSCustomObject]@{ Model = $FilteredData[0].Split(":")[1] Rechargeable = $RechargeableState State = $FilteredData[2].Split(":")[1] WarningLevel = $FilteredData[3].Split(":")[1] Energy = $FilteredData[4].Split(":")[1] EnergyEmpty = $FilteredData[5].Split(":")[1] EnergyFull = $FilteredData[6].Split(":")[1] EnergyFullDesign = $FilteredData[7].Split(":")[1] EnergyRate = $FilteredData[8].Split(":")[1] Voltage = $FilteredData[9].Split(":")[1] ChargeCycles = $FilteredData[10].Split(":")[1] TimeToEmpty = $TimeToEmpty Percentage = $FilteredData[12 - $ArrayPatchInt].Split(":")[1] Capacity = $FilteredData[13 - $ArrayPatchInt].Split(":")[1] Technology = $FilteredData[14 - $ArrayPatchInt].Split(":")[1] } # Return object return $Object } |