sudo aptitude install android-tools-adb

./adb shell ls -l -a | grep '^[^l]' | sed -e 's/^d.* \([^ ]*\)\r$/mkdir sav\/\1; .\/adb pull \/\1 sav\/\1/' -e 's/-.* \([^ ]*\)\r$/.\/adb pull \/\1 sav\/\1/' | /bin/bash

1. list all files
2. ignore links
3. for
   • files : output an adb pull command
   • directories : make the dir (in case we pull sth empty) and output an adb pull command
4. execute everything in bash

adb shell pm list packages
adb shell pm path com.example.someapp
adb pull /data/app/com.example.someapp-2.apk