View difference between Paste ID: FUJETz4B and kPQ51AsF

 #!/bin/bash
-sync
+#IFS=$'\0' #https://stackoverflow.com/questions/8677546/reading-null-delimited-strings-through-a-bash-loop
 #IFS='' #https://stackoverflow.com/questions/6563979/how-to-use-null-0-as-the-delimiter-in-gnu-sort
 #IFS='	'
 #IFS=''
 OUT="/tmp/Udate_save/"
 
 mkdir -p "$OUT"
 decode_id() {
   if [ -f "$OUT"'BLKIDOUT' ]; then
      DECODE_ID_RTN=`cat "$OUT"'BLKIDOUT'`
   else
     BLKIDOUT="$(blkid)"
     DECODE_ID_RTN="$(echo "$BLKIDOUT" | grep -m1 -E " LABEL=.${1}| UUID=.${1}" | cut -f1 -d: | cut -f3 -d/)" #is LABEL or UUID
     echo "$DECODE_ID_RTN" > "$OUT"'BLKIDOUT'
   fi
   echo "$DECODE_ID_RTN"
 }
 
 ###################### Initial Parmaters ############
 
 #ROOT_UUI="fab3b011-746f-448b-85a3-5f7fb7f8e7f6" #sdd4 (Toshiba)
 ROOT_UUI="ebeda76b-c7e8-d201-a020-a46bc7e8d201" #sdd6
 
 
 #ROOT_REL_PATH  #Variable not yet defined
 
 decode_id "$ROOT_UUI"
 SAVE_ROOT_DRV="$DECODE_ID_RTN"
 ROOT_REL_PATH="/tahrsave"
 SAVE_ROOT="/mnt/$SAVE_ROOT_DRV$ROOT_REL_PATH"
 RW_ROOT=`readlink /initrd/pup_rw`
 
 #taken from line 222 if initrd/init tahrpup and trimmed extensively
 
 ###################### Functions ############
 
 save_dir_array(){ #Was bind_and_link_array in map_save
   local -n one=${1}	# https://stackoverflow.com/questions/16461656/how-to-pass-array-as-an-argument-to-a-function-in-bash
   #declair -a one=$one1
   if [ $# -lt 2 ]; then
     SR="$SAVE_ROOT"
   else
     SR=$2
   fi
   one=${one[*]} #https://stackoverflow.com/questions/3348443/a-confusion-about-array-versus-array-in-the-context-of-a-bash-comple?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa
   one=${one#'('} #https://stackoverflow.com/questions/16623835/remove-a-fixed-prefix-suffix-from-a-string-in-bash?utm_medium=organic&utm_source=google_rich_qa&utm_campaign=google_rich_qa
   one=${one%')#'}
   echo "Ln 49 one=${one[@]}"
   IFS_OLD=$IFS
   IFS=$'\n'
   for a in ${one[@]}; do
      echo "LN#53 save_file $a"
      save_file "$a" "$SR"
   done
   IFS=IFS_OLD
 }
 
 
 save_dir_files(){ #Was bind_and_link_dir in map_save
   #local -n one=$1
   if [ $# -lt 2 ]; then
     SR="$SAVE_ROOT"
   else
     SR=$2
   fi
   one="$1"
-  DIRS2=( $( find "$RW_ROOT$one" -mindepth 1 -maxdepth 1 -print0 -name '*'  | removePrefix "$RW_ROOT" ) )#
+
   [ ! `mountpoint -q "$one"` ] || return _
   mkdir -p "$SAVE_ROOT$one"
   DIRS2=( $( find $RW_ROOT$one -mindepth 1 -maxdepth 1 -print0 -name '*'  | removePrefix "$RW_ROOT" ) )#
   echo "LN#72 DIRS2=${DIRS2[@]}"
   save_dir_array DIRS2 $2
 }
 save_file(){ #Was bind_and_link in map_save
   f="$1"
   if [ $# -gt 1 ]; then
     SR="$2"
   else
     SR="$SAVE_ROOT"
   fi
   echo "LN#82 save_file $RW_ROOT$f"
   if [ -L "$f" ]; then #Don't copy if the link links back to the save file
     [[ `readlink $f` =~ ^$SAVE_ROOT ]] && return _ #https://stackoverflow.com/questions/4132510/how-to-test-that-a-variable-starts-with-a-string-in-bash
   elif [ -d "$RW_ROOT$f" ]; then
     save_dir_files "$f"
     return _
   fi
   #Copy only if knewer.
-######################### MAIN ###########################
+
 }
-( "/DEBIAN" "/etc" "/bin" "/etc" "/lib" "/lib64" \
+
 ######################### MAIN ###########################
 declare -a  dirs_to_link_and_bind=\
 ( "/etc" "/DEBIAN" "/bin" "/etc" "/lib" "/lib64" \
    "/opt" "/root" "/sbin" "/var" "/usr" "/var" \
 )
 
-done
+
-sync
+
   save_dir_files $dir
 done