Source code for battstat.bat

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@ECHO OFF
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:: Check for Windows NT 4 or later (though XP or later is required)

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IF NOT "%OS%"=="Windows_NT" GOTO Syntax
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:: Localize variables
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SETLOCAL
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:: No command line arguments required
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IF NOT "%~1"=="" GOTO Syntax
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:: Check if WMIC.EXE is available
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WMIC.EXE Alias /?:Brief >NUL 2>&1 || GOTO Syntax

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:: Use WMI to retrieve battery status information

FOR /F "tokens=1* delims==" %%A IN ('WMIC /NameSpace:"\\root\WMI" Path BatteryStatus              Get Charging^,Critical^,Discharging /Format:list ^| FIND "=TRUE"') DO ECHO Battery is %%A

FOR /F "tokens=*  delims="  %%A IN ('WMIC /NameSpace:"\\root\WMI" Path BatteryStatus              Get PowerOnline^,RemainingCapacity  /Format:list ^| FIND "="')     DO SET  Battery.%%A

FOR /F "tokens=*  delims="  %%A IN ('WMIC /NameSpace:"\\root\WMI" Path BatteryRuntime             Get EstimatedRuntime                /Format:list ^| FIND "="')     DO SET  Battery.%%A

FOR /F "tokens=*  delims="  %%A IN ('WMIC /NameSpace:"\\root\WMI" Path BatteryFullChargedCapacity Get FullChargedCapacity             /Format:list ^| FIND "="')     DO SET  Battery.%%A

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:: Calculate runtime left and capacity
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SET /A Battery.EstimatedRuntime  = ( %Battery.EstimatedRuntime% + 30 ) / 60

SET /A Battery.RemainingCapacity = ( %Battery.RemainingCapacity%00 + %Battery.FullChargedCapacity% / 2 ) / %Battery.FullChargedCapacity%

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:: Display results
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IF /I "%Battery.PowerOnline%"=="TRUE" (
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	ECHO Now working on mains power
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	ECHO Battery %Battery.RemainingCapacity%%% charged

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) ELSE (
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	ECHO Estimated remaining runtime %Battery.EstimatedRuntime% minutes

	ECHO Remaining capacity %Battery.RemainingCapacity%%%

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)
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GOTO:EOF
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:Syntax
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ECHO.
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ECHO BattStat.bat,  Version 1.00 for Windows XP Pro or later

ECHO Display current battery status for the local computer

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ECHO.
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ECHO Usage:  BATTSTAT
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ECHO.
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ECHO Note:   Uses WMIC to query the battery status;

ECHO         WMIC is native in Windows XP Professional,

ECHO         Windows Server 2003 and Windows Vista.

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ECHO.
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ECHO Written by Rob van der Woude
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ECHO http://www.robvanderwoude.com
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:: End localization
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IF "%OS%"=="Windows_NT" ENDLOCAL
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```