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We will first retrieve the content of the folder using the Get-ChildItem command and then pipeline the Measure-Object command as shown below.Get-ChildItem C:\Temp\ -Recurse | Measure-Object -Property Length -SumOutputCount : 1514 Average : Sum : 372060503 Maximum : Minimum : Property : LengthSo the above output shows that there is a total of 1514 files and folders and the sum shows the size of all the files and folders combined in KB. We can convert it to the MB as shown below.(Get-ChildItem C:\Temp\ -Recurse | Measure-Object -Property Length -Sum).Sum / 1MB 354.824545860291We can get the round figure, [Math]::Round( ... Read More
To run Powershell commands from the command prompt or cmd, we need to call the PowerShell process PowerShell.exe.ExampleSee the sample example, C:\> Powershell.exe -Command "Write-Output 'Hello world'" Hello worldSimilarly, you can call any command. We will use another example to get service informationC:\> Powershell.exe -Command "Get-Service Spooler" Status Name DisplayName ------ ---- ----------- Running Spooler Print SpoolerTo run multiple commands, C:\> Powershell.exe -Command "Stop-Service Spooler -verbose -passthru; Start-Service Spooler -verbose -passthru"OutputVERBOSE: Performing the operation "Stop-Service" on target "Print Spooler (Spooler)". Status Name DisplayName ------ ---- ----------- Stopped Spooler Print Spooler VERBOSE: Performing the operation "Start-Service" on ... Read More
To get the list of empty folder on the windows OS using PowerShell, we can use the below method.gci C:\Temp -Recurse | foreach { if( $_.psiscontainer -eq $true){ if((gci $_.FullName) -eq $null){$_.FullName} } }The above command checks the C:\Temp folder and its subfolders and if the content is empty it returns the Folder full path. The PSISContainer property stands for the folder and GCI is the alias of the Get-ChildItem command. We can alternatively use the below command, instead of using the PSISContainer property.gci C:\Temp -Recurse -Directory | foreach { if((gci $_.FullName) -eq $null){$_.FullName} }
To get the list of empty files in Windows OS using PowerShell, there are two ways, a) Using Length parameter. We will count the length of the file. If it is 0 then the file is empty as shown below.Get-ChildItem C:\Temp\ -Recurse | where{$_.Length -eq 0} | Select @{N='EmptyFiles';E={$_.FullName}}Output:b) Another method is a long one that we don’t want to go into. We need to check each file's content and if it is empty then we will declare that file as an empty file.Get-ChildItem C:\Temp -Recurse -File | foreach{ if((Get-Content $_.FullName) -eq $null){ ... Read More
Sometimes changes in the Windows environment variable can be deadly because it saves information about user profiles, application information, and OS information. It is always better to keep the Environment backup handy and update that file whenever there are any changes or at the regular interval.Taking up the environment variables backup is easy. To retrieve the environment variable list we can use the below command, Get-ChildItem env:To store the environment variable, we can use the Out-File command with text file but if the particular environment variable length is larger enough then we can’t store it in the text file properly.Instead, ... Read More
In order to install tkinter in a local computer, we use several commands on the basis of our OS architecture. There are two ways to import the tkinter library in our Window-based machine which are based on the Python version. Earlier, for lower versions of Python, we generally used to import the tkinter library using the following command −from Tkinter import *However, for Python 3 or later, we generally import the Tkinter library in the environment using the following command −from tkinter import *The only difference between Tkinter and tkinter is that Tkinter was initially used with Python 2 and ... Read More
Let us suppose we want to create an application where we want to add some description on tkinter widgets such that it displays tooltip text while hovering on the button widget. It can be achieved by adding a tooltip or popup.Tooltips are useful in applications where User Interaction is required. We can define the tooltip by instantiating the constructor of Balloon(win). After that, we can bind the button with the tooltip message that applies on the widget.Example#Import the tkinter library from tkinter import * from tkinter.tix import * #Create an instance of tkinter frame win = Tk() #Set the ... Read More
Tkinter Canvas are generally used for creating shapes such as arc, rectangle, triangle, freeform shapes, etc. All these shapes can be drawn using the inbuilt function available in tkinter library.ExampleIn this example, we will create a Circle using the create_oval(x0, y0, x1, y1) method by passing the following values of coordinates (x0, y0, x1, y1)#Import the library from tkinter import * #Create an instance of tkinter frame win= Tk() #Define the geometry of window win.geometry("600x400") #Create a canvas object c= Canvas(win, width=400, height=400) c.pack() #Draw an Oval in the canvas c.create_oval(60, 60, 210, 210) win.mainloop()OutputRunning ... Read More
Whenever we run a tkinter application, it displays a GUI-based window that would have widgets, frames, and other elements. Let us suppose we want to close our application with a function. The destroy() method in Python tkinter is used to terminate the normal execution of the application after the mainloop function.ExampleIn this example, will create a button object which triggers to close the application.#Import the tkinter library from tkinter import * #Create an instance of tkinter frame win = Tk() #Set the geometry win.geometry("650x250") #Define a function def close_app(): win.destroy() #Create a text Label Label(win, text= ... Read More
Tkinter windows can be resized automatically by hovering and pulling over the window. We can disable the resizable property using the resizable(boolean value) method. We will pass false value to this method which will disable the window to be resized.Example#Import the tkinter library from tkinter import * #Create an instance of tkinter frame win = Tk() #Set the geometry win.geometry("650x250") Label(win, text= "Hello World", font=('Times New Roman bold', 20)).pack(pady=20) #Make the window resizable false win.resizable(False, False) win.mainloop()OutputRunning the above code will display the following the tkinter window, but you won't be able to resize it.Read More