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    Powershell countdown on servers?

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    • GreyG
      Grey @dafyre
      last edited by

      @dafyre said in Powershell countdown on servers?:

      Are you doing this so you can have a progress bar or what?

      Positive feedback on a script that's iterating actions on a group of servers, so... kind of a progress bar.

      dafyreD 1 Reply Last reply Reply Quote 0
      • dafyreD
        dafyre @Grey
        last edited by

        @Grey said in Powershell countdown on servers?:

        @dafyre said in Powershell countdown on servers?:

        Are you doing this so you can have a progress bar or what?

        Positive feedback on a script that's iterating actions on a group of servers, so... kind of a progress bar.

        if ($newquantity -eq 0) {
         write-host "We're done, everybody go home!"
        }
        
        GreyG 1 Reply Last reply Reply Quote 0
        • GreyG
          Grey @dafyre
          last edited by

          @dafyre said in Powershell countdown on servers?:

          @Grey said in Powershell countdown on servers?:

          @dafyre said in Powershell countdown on servers?:

          Are you doing this so you can have a progress bar or what?

          Positive feedback on a script that's iterating actions on a group of servers, so... kind of a progress bar.

          if ($newquantity -eq 0) {
           write-host "We're done, everybody go home!"
          }
          

          Oh, fun! I hadn't considered the end. I'm more of a Tron guy so ... End of Line.

          1 Reply Last reply Reply Quote 1
          • ObsolesceO
            Obsolesce
            last edited by

            You need to tell it to subtract first:

            $quantity = $systems.Count
            
            foreach ($server in $systems) {
            
                Write-Output "Quantity is: [$quantity]"
                $quantity--
                $newquant = $quantity
                Write-Output "`tNEW quantity is: [$newquant]"
            
            }
            
            JaredBuschJ 1 Reply Last reply Reply Quote 0
            • JaredBuschJ
              JaredBusch @Obsolesce
              last edited by

              @Obsolesce said in Powershell countdown on servers?:

              You need to tell it to subtract first:

              $quantity = $systems.Count
              
              foreach ($server in $systems) {
              
                  Write-Output "Quantity is: [$quantity]"
                  $quantity--
                  $newquant = $quantity
                  Write-Output "`tNEW quantity is: [$newquant]"
              
              }
              

              The point is there is never a need for $newquantity

              ObsolesceO 1 Reply Last reply Reply Quote 0
              • ObsolesceO
                Obsolesce @JaredBusch
                last edited by

                @JaredBusch said in Powershell countdown on servers?:

                @Obsolesce said in Powershell countdown on servers?:

                You need to tell it to subtract first:

                $quantity = $systems.Count
                
                foreach ($server in $systems) {
                
                    Write-Output "Quantity is: [$quantity]"
                    $quantity--
                    $newquant = $quantity
                    Write-Output "`tNEW quantity is: [$newquant]"
                
                }
                

                The point is there is never a need for $newquantity

                I gathered he knows that, but still wants it in there.

                1 Reply Last reply Reply Quote 0
                • ObsolesceO
                  Obsolesce @Grey
                  last edited by

                  @Grey said in Powershell countdown on servers?:

                  $newquant = $quantity-1
                  

                  This always returns a fixed value, though.

                  Do it like this:

                  $newquant = --$quantity
                  
                  1 Reply Last reply Reply Quote 0
                  • 1
                    1337
                    last edited by 1337

                    @Grey

                    If you wanted to show the progress % you could do something like this as well:

                    $quantity = $systems.count
                    $i = 0
                    
                    foreach ($server in $systems){
                       //stuff
                       $i = $i + 1
                       $progress = 100 * $i / $quantity
                    }
                    

                    Another trick is to not count it at all, just print a dot (".") for each iteration.
                    .........

                    GreyG 1 Reply Last reply Reply Quote 2
                    • GreyG
                      Grey @1337
                      last edited by

                      @Pete-S said in Powershell countdown on servers?:

                      @Grey

                      If you wanted to show the progress % you could do something like this as well:

                      $quantity = $systems.count
                      $i = 0
                      
                      foreach ($server in $systems){
                         //stuff
                         $i = $i + 1
                         $progress = 100 * $i / $quantity
                      }
                      

                      Another trick is to not count it at all, just print a dot (".") for each iteration.
                      .........

                      Tested and this needs a try/catch for a divide by zero. The math is also off.
                      9d767202-8760-4564-a5fa-0f1adc903aea-image.png

                      ObsolesceO 1 2 Replies Last reply Reply Quote 0
                      • ObsolesceO
                        Obsolesce @Grey
                        last edited by Obsolesce

                        @Grey said in Powershell countdown on servers?:

                        @Pete-S said in Powershell countdown on servers?:

                        @Grey

                        If you wanted to show the progress % you could do something like this as well:

                        $quantity = $systems.count
                        $i = 0
                        
                        foreach ($server in $systems){
                           //stuff
                           $i = $i + 1
                           $progress = 100 * $i / $quantity
                        }
                        

                        Another trick is to not count it at all, just print a dot (".") for each iteration.
                        .........

                        Tested and this needs a try/catch for a divide by zero. The math is also off.
                        9d767202-8760-4564-a5fa-0f1adc903aea-image.png

                        This is how I would do the progress bar:

                        $systems = Get-Process #for my testing purposes
                        
                        $quantity = $systems.Count
                        $progressCount = 0
                        foreach ($server in $systems) {
                            $progressCount++
                            Write-Progress -Activity "Processing..." -Status "System: $($server.Name)" -PercentComplete ($progressCount/$systems.Count*100)
                            $newquant = --$quantity
                            Start-SLeep -Milliseconds 20 #added for testing so I can see the progress bar
                        }
                        

                        In my example, I used $systems = Get-Process for testing.

                        Edit: Change $($server.Name) to the property or info you want.

                        1 Reply Last reply Reply Quote 2
                        • 1
                          1337 @Grey
                          last edited by 1337

                          @Grey said in Powershell countdown on servers?:

                          @Pete-S said in Powershell countdown on servers?:

                          @Grey

                          If you wanted to show the progress % you could do something like this as well:

                          $quantity = $systems.count
                          $i = 0
                          
                          foreach ($server in $systems){
                             //stuff
                             $i = $i + 1
                             $progress = 100 * $i / $quantity
                          }
                          

                          Another trick is to not count it at all, just print a dot (".") for each iteration.
                          .........

                          Tested and this needs a try/catch for a divide by zero. The math is also off.
                          9d767202-8760-4564-a5fa-0f1adc903aea-image.png

                          You probably had --$quantity still in there. It decreases $quantity by one each time it executes.

                          But use @Obsolesce example.

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