PowerShell: Find the list of empty folders in a Directory

 

If you would like to find the empty folders in a directory you can use the below PowerShell script to find out.

Script:

$path = "D:\"   #change the value based on need

        #get the list of directories in the given path recursively  

         Get-ChildItem -Path $path -Directory -Recurse | ForEach-Object `

{ 

            #verify the count of files and folders in the directories are zero 

    if($_.GetFiles().Count -eq 0 -and $_.GetDirectories().Count -eq 0) 

        {

            "$($_.name)"            

        } 

} 

PowerShell: Check if the entered number is a valid Binary and print its decimal value

Powershell Script Description: 

Pass a number to a PowerShell script as an argument and validate whether it is a valid Binary. If the entered number is a valid binary, display its decimal value.

Script: isValidBinary.ps1

if (  $args[0] ){

    $num = $args[0]

    try {

        $value = [convert]::ToInt32(“$num”,2)

        Write-Host "'$num' is a valid Binary" -ForegroundColor Green

        Write-host "Decimal Value: $value"

        }

    catch{

        Write-Host  "'$num' is not a valid Binary" -ForegroundColor Red

    }

}

else{

    Write-Host "You must pass a number to the script"

}

Output:

 

Shell Script that accepts a positive integer and returns comma separated list of integers in descending order

Description: 

Write a  shell script that accepts exactly 1 argument which must be a positive integer. 

The script will print a comma-separated list of integers, all on the same line in descending order

Script: decreaseNum.sh

 

#!/bin/bash

#-----------------------------------------------

#user input

num=$1

temp=''

         

        #continue while input is greater than 0
 while [ $num -gt 0 ]
 do

                #append the numbers in decreasing order with comma-separated
  temp+="$num, "
  num=$(( $num - 1 ))
    done
 temp=$(echo $temp | sed 's/,$//')

 echo $temp

Output: