clean_sandbox_save.sh

#!/bin/bash
ROOT=/initrd/mnt/dev_save/precise/light/5.7.2/precisesave
target_root=/initrd/mnt/dev_save/precise/light/5.7.2/precise_save_alt_glibc
cd "$ROOT"
function print_pttrn(){
  cd "$ROOT/$(dirname $1)"
  find -name "$(basename $1)"
}
if [ ${#ROOT} -lt 3 ]; then
exit
fi
  sed -i -e '/^PS1/ s/PS1=.*$/PS1="# "/' "$ROOT/etc/profile"
  sed -i -e '/^PS1/ s/PS1=.*$/PS1="# "/' "$ROOT/etc/shinit"
FILES_TO_DELETE=("/etc/BOOTSTATE")
for a_delete_pattern in "${FILES_TO_DELETE[@]}"; do #https://stackoverflow.com/questions/1521462/looping-through-the-content-of-a-file-in-bash
  while IFS="" read -r a_delete || [ -n "$a_delete" ]
  do
      fp="$(realpath "$a_delete")"
      if [[ "$fp" == "$ROOT/"* ]]; then
        rm -f "$fp"
      fi
  done < <(find . -wholename ".$a_delete_pattern")
done
DIRS_TO_FORCE_DELETE=("/media" "/mnt" "/tmp" "/proc" "/dev" "/sys" "/initrd" "/lost+found" "/lib/modules" "/archive")
while IFS="" read -r a_dir || [ -n "$a_dir" ]; do
  #echo "a_dir=$a_dir"
  echo "a_dir2=/var/$a_dir" #"$(echo "$a_dir" | sed 's#^.#/var/#')"
  DIRS_TO_FORCE_DELETE+=("/var/$a_dir") #("$(echo "$a_dir" | sed 's#^.#/var/#')")
done < <(ls -1 ./var | grep -v packages)
for a_delete_pattern in "${DIRS_TO_FORCE_DELETE[@]}"; do #https://stackoverflow.com/questions/1521462/looping-through-the-content-of-a-file-in-bash
  #echo a_delete_pattern
  while IFS="" read -r a_delete || [ -n "$a_delete" ]
  do
      fp="$(realpath "$a_delete")"
      if [[ "$fp" == "$ROOT/"* ]]; then
        rm -rf "$fp"
      fi
  done < <(find . -wholename ".$a_delete_pattern")
done
EMPTY_DIRS_TO_DELETEE=()
for a_delete_pattern in "${EMPTY_DIRS_TO_DELETEE[@]}"; do #https://stackoverflow.com/questions/1521462/looping-through-the-content-of-a-file-in-bash
  while IFS="" read -r a_delete || [ -n "$a_delete" ]
  do
      fp="$(realpath "$ROOT/a_delete_pattern")"
      if [[ "$fp" == "$ROOT/"* ]]; then
        #RM will only remove empty directories unless the -rf option is used
        rm "$fp" 2> /dev/null
      fi
  done < <(find . -wholename ".$a_delete_pattern")
done