SecDelete2/SecDelete at master · tiaghun/SecDelete2 · GitHub

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#!/bin/zsh

#Prep Environment
cd "${0%/*}"
	#Progress Bar Data
	echo "15% Preparing work environment..." > ./Secure\ Delete\ Status.app/Contents/Resources/currentStep
	printf '1' > ./Secure\ Delete\ Status.app/Contents/Resources/progressPercent
	#End Progress Bar Data
printf "true" > ./Secure\ Delete\ Status.app/Contents/Resources/isRunning
open ./Secure\ Delete\ Status.app & disown
sleep 1
touch ./FileList
touch ./UserTargetFiles
#End Prep Environment

#Get File List
	#Progress Bar Data
	echo "30% Indexing files in Trash..." > ./Secure\ Delete\ Status.app/Contents/Resources/currentStep
	printf '2' > ./Secure\ Delete\ Status.app/Contents/Resources/progressPercent
	sleep 1
	#End Progress Bar Data
find ~/.Trash > ./FileList
#End File List

#Parse, Scramble, Zero, Null
TotalFiles=$(grep -c '' ./FileList)
TargetLine=2
x=1
while [ $x = 1 ]
do
TargetFile=$(head -${TargetLine} ./FileList | tail -1)
FileSize=$(du $TargetFile | awk -F' ' '{print $1}')
dd if=/dev/urandom of=$TargetFile bs=1b count=$FileSize
dd if=/dev/zero of=$TargetFile bs=1b count=$FileSize
dd if=/dev/null of=$TargetFile bs=1b count=$FileSize
	#Progress Bar Data
	echo "45% Securely deleted" "$TargetLine" "of" "$TotalFiles" "files..." > ./Secure\ Delete\ Status.app/Contents/Resources/currentStep
    printf '3' > ./Secure\ Delete\ Status.app/Contents/Resources/progressPercent
	#End Progress Bar Data
if [[ $TargetLine = $TotalFiles ]]
  then
	  #Run Cleanup Part 1
        	#Progress Bar Data
         	echo "60% Wiping Trash index (1 of 2)..." > ./Secure\ Delete\ Status.app/Contents/Resources/currentStep
            printf '4' > ./Secure\ Delete\ Status.app/Contents/Resources/progressPercent
            sleep 1
            #End Progress Bar Data
      sudo rm -rf ~/.Trash/*
      dd if=/dev/urandom of=./FileList bs=1m count=1
      dd if=/dev/zero of=./FileList bs=1m count=1
      dd if=/dev/null of=./FileList bs=1m count=1
      rm ./FileList
      		#Progress Bar Data
        	echo "75% Wiping Trash index (2 of 2)..." > ./Secure\ Delete\ Status.app/Contents/Resources/currentStep
            printf '5' > ./Secure\ Delete\ Status.app/Contents/Resources/progressPercent
            sleep 1
          	#End Progress Bar Data
      dd if=/dev/urandom of=./UserTargetFiles bs=1m count=1
      dd if=/dev/zero of=./UserTargetFiles bs=1m count=1
      dd if=/dev/null of=./UserTargetFiles bs=1m count=1
      rm ./UserTargetFiles
      	#Progress Bar Data
      	echo "100% Finalizing cleanup..." > ./Secure\ Delete\ Status.app/Contents/Resources/currentStep
        printf '6' > ./Secure\ Delete\ Status.app/Contents/Resources/progressPercent
        sleep 1
      	#End Progress Bar Data
      x=2
      #End Run Cleanup Part 1

      #Run Cleanup Part 2
      printf 'false' > ./Secure\ Delete\ Status.app/Contents/Resources/isRunning
      echo "0%" > ./Secure\ Delete\ Status.app/Contents/Resources/currentStep
      #End Run Cleanup Part 2
  else
      TargetLine=$(( $TargetLine + 1 ))
fi
done