Measure-Object

Measure the numeric or string properties of objects

Syntax
      Measure-Object [ [-property] string[] ]  [-inputObject psobject]
         [-average] [-sum] [-minimum] [-maximum]
            [CommonParameters]

      Measure-Object [ [-property] string[] ]  [-inputObject psobject]
         [-character] [-line] [-word] [-ignoreWhiteSpace]
            [CommonParameters]

Key
   -inputObject 
       The objects to be measured. 
       A command, expression or variable that contains the objects.

   -property string[]
       The property to measure.

   -average 
       Average the values in the designated property.

   -character
       Count the number of characters in the input object.

   -ignoreWhiteSpace 
       Ignore white space in word counts and character counts.

   -line 
       Count the number of lines in the input object.

   -minimum 
       Determine the minimum value of the properties.

   -maximum 
       Determine the maximum value of the properties.

   -sum
       Sum the values of the properties.

   -word 
       Count the number of words in the input object.

   CommonParameters:
       -Verbose, -Debug, -ErrorAction, -ErrorVariable, -WarningAction, -WarningVariable,
       -OutBuffer -OutVariable.

Standard Aliases for Measure-Object: measure

In PowerShell 3.0 it is possible to measure Date/Time properties such as LastWriteTime of a file or StartTime of a process.

Examples

Count the number of files and folders in the current directory:

PS C:\> get-childitem | measure-object

Display the size of the largest and the size of the smallest file in the current directory:

PS C:\> get-childitem | measure-object -property length -minimum -maximum

Count the number of words in the file SS64.txt

PS C:\> get-content C:\SS64.txt | measure-object -word

“The advantage of living is not measured by length, but by use; some men have lived long, and lived little; attend to it while you are in it” ~ Michel Eyquem de Montaigne

Related:

Compare-Object - Compare the properties of objects
ForEach-Object - Loop for each object in the pipeline
Group-Object - Group the objects that contain the same value for a common property
New-Object - Create a new .Net object
Select-Object - Select objects based on parameters set in the Cmdlet command string
Sort-Object - Sort the input objects by property value
Tee-Object - Send input objects to two places
Where-Object - Filter input from the pipeline allowing operation on only certain objects
Equivalent bash command: expr - Evaluate expressions


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