View difference between Paste ID: erPf8sXd and NwdcWnDF

 #!/bin/bash
 #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/map_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"
 
 #taken from line 222 if initrd/init tahrpup and trimmed extensively
 
 ###################### Functions ############
 
 bind_and_link_array(){
   local -n one=${1}	# https://stackoverflow.com/questions/16461656/how-to-pass-array-as-an-argument-to-a-function-in-bash
   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%')#'}
+
   #while IFS= read -r -d '' myvar; do echo $myvar; done < <(find . -type f -print0)
   #while IFS= read -r -d '' a; do
   #    echo "LN#43 bind_and_link $a"
   #    bind_and_link "$a" "$SR"
   #done < <( "${one[@]}" )
   for a in $one; do
      echo "LN#43 bind_and_link $a"
      bind_and_link "$a" "$SR"
   done
 }
 
 
 bind_and_link_dir(){
   #local -n one=$1
   if [ $# -lt 2 ]; then
     SR="$SAVE_ROOT"
   else
-    export SR="$SAVE_ROOT"
+
   fi
-    export SR=$2
+
   echo "LN#65 one=$one"
   #echo "LN#63 one=${one[@]}"
   #declair -A DIRS #https://stackoverflow.com/questions/1063347/passing-arrays-as-parameters-in-bash
   [ ! `mountpoint -q "$one"` ] || return _
   #example from: https://stackoverflow.com/questions/34555278/bash-read-a-looping-on-null-delimited-string-variable
   #while IFS= read -r -d '' myvar; do echo $myvar; done < <(find . -type f -print0)
   #DIRS=`find "$SR$one"  -mindepth 1 -maxdepth 1 -print0 -name '*' `
   #decliar -A DIRS2
   #DIRS2=()
   #DIRS=`while IFS= read -r -d '' myvar; do echo "${myvar#$SR}"; done < <( "${DIRS[@]}" )`
   #find $SR$one -mindepth 1 -maxdepth 1 -print0 -name '*' |
   DIRS2=( $( find $SR$one -mindepth 1 -maxdepth 1 -print0 -name '*'  | removePrefix "$SR" ) )#
   #IFS="$'\0'"
-  DIRS2=( $( find "$SR$one" -mindepth 1 -maxdepth 1 -print0 -name '*'  | removePrefix "$SR" ) )#
+
   #  echo "a=$a"
   #  DIRS2+=( $a )
   #
   echo "LN#82 DIRS2=${DIRS2[@]}"
   bind_and_link_array DIRS2 $2
 }
 bind_and_link(){
   f="$1"
   if [ $# -gt 1 ]; then
     SR="$2"
   else
     SR="$SAVE_ROOT"
   fi
   #https://stackoverflow.com/questions/4561153/check-for-symbolic-link
   #https://unix.stackexchange.com/questions/167610/determining-if-a-file-is-a-hard-link-or-symbolic-link
   #http://pubs.opengroup.org/onlinepubs/9699919799/utilities/test.html
   IsBind="True"
   mountpoint -q "$f" || IsBind="False"
   echo "f=$f IsBind=$IsBind"
   if [ "$IsBind" = "False" ]; then
      echo "Ln 74 Not a mount point"
     if [ -L "$SR$f" ]; then #$f should start w/ slash TODO add slash if missing
       echo "LN#76 Copying $f"
       cp -a -u "$SR$f" "$f"
       echo "$f" >> /tmp/coppied_links
     elif [ -d "$SR$f" ]; then
       if [ -d "$f" ]; then
         echo "LN#85 bind_and_link_dir $f"
         mountpoint -q "$f" || bind_and_link_dir $f
       else
         echo "LN# 84 binding $f"
         mkdir -p "$f"
         mount --bind "$SR$f" $f #Was bind_dir "$SR/$a" $f
         echo "$f" >> /tmp/bound_dirs
       fi
     elif [ -f "$SR$f" ]; then
       echo "LN#90 linking $f"
       echo "LN#91 links is `readlink $f`"
       ln -s "$SR$a" $a #Was link_file "$SR/$a" $a
         echo "$f" >> /tmp/linked_dirs
     fi
   fi
 }
 #echo $(dirname $(readlink -f "$fname")) # get directory name https://stackoverflow.com/questions/6121091/get-file-directory-path-from-file-path
 ######################### MAIN ###########################
 declare -a  dirs_to_link_and_bind=\
 ( "/etc" "/DEBIAN" "/bin" "/etc" "/lib" "/lib64" \
    "/opt" "/root" "/sbin" "/var" "/usr" "/var" \
 )
 
 for dir in ${dirs_to_link_and_bind[@]}; do
   mkdir -p dir
   bind_and_link_dir $dir
 done
 
 ########################## TRASH #########################
-indexgen.sh #http://murga-linux.com/puppy/viewtopic.php?p=990215#990215
+#makeDirs(){
-fixmenus
+#  declare -a markDirs_rtn=()
-jwm -reload
+#  for d in $1; do
 #     markDirs_rtn+=( ${d[@]} )
 #  done
 #}
 ##Todo add binded directory to a list of binded directories.
 #bind_dir(){
 #	OPT_PATH=optimize_path $1
 #	mount --bind $OPT_PATH $2 # $1=source or $2=link-name
 #}
 # ToDo adjust path based on binded directories also use a single absolute link to the particular drive
 #link_file(){
 #	OPT_PATH=optimize_path $1
 #	ln -s $1 $2 # $1=source or $2=link-name
 #}
 # a in SAVE_DIRS_OPT; do
 #   mount --bind  a  # https://unix.stackexchange.com/questions/198590/what-is-a-bind-mount
 #                   #note that --rbind is requited for /sys unmounting issues: https://unix.stackexchange.com/questions/120827/recursive-umount-after-rbind-mount
 #done
 #SAVE_DIRS_OPT=(`find /opt -maxdepth 1 -mindepth 1 -name '*'`)
 #for i in $(seq 1 ${DIRS_OPT[#]); do #http://murga-linux.com/puppy/viewtopic.php?p=980163#980163
 #	#Could loop through keys instead. See: https://unix.stackexchange.com/questions/74197/how-to-unset-range-of-array-in-bash
 #	a=${DIRS_OPT[i]}
 #	for j in $(seq 1 ${SAVE_DIRS_OPT[#]); do
 #		b=${SAVE_DIRS_OPT[j]}
 #        if [ a -eq b] ; then
 #            uset "SAVE_DIRS_OPT[$j]"
 #        fi
 #    done
 #done
 #for d in "${dirs[@]}"; do
 #    #delta=$(s243a_size "$d")
 #    delta=$(du --block-size=$BLKSIZE --total $d | grep total | cut -f1	)
 #    echo "delta=$delta"
 #    (( RDSIZE = RDSIZE + delta ))
 #    echo "RDSIZE=$RDSIZE"
 #done
 #declare -a bind_dirs=\
 #('opt/*'
 #)
 #declare -a bind_dirs=\
 #('opt/*
 #)
 #
 #' 'dev' 'etc' 'lib' 'locale' 'mnt' 'proc' 'sbin' 'sys' 'tmp' 'usr' 'var' 'pup_a' 'pup_f' 'pup_ro3' 'pup_ro4'
 #  'pup_ro5' 'pup_ro6' 'pup_ro7' 'pup_ro8' 'pup_ro9' 'pup_y' 'pup_z'
 #
 # 'pup_new' # The Layer being added in the /initrd/init script
 #           #See Lines #14 to #15 for def of puppy layers
 #  #pmedia:         ram      atahd          usbhd         atahd       usbflash   Multisession
 #  #savetype      pfx=ram   Full            Full         Frugal       Frugal
 #           #PUPMODE:5        6              7            12           13          77
 #  'pup_rw'    #   tmpfs     PDEV1          tmpfs    pup_save.3fs    tmpfs        tmpfs
 #  'pup_ro1'   #   ----      -----         PDEV1     ------------  pup_save.3fs  folders
 #  'pup_ro2')  # pup_xxx.sfs pup_xxx.sfs pup_xxx.sfs pup_xxx.sfs   pup_xxx.sfs  pup_xxx.sfs
 #proc dev sys etc bin sbin var usr lib lib64 tmp
 #SAVE_opt="SAVE_ROOT/opt"
 #DIRS_opt=(`find "$SAVE_ROOT/opt" -maxdepth 1 -mindepth 1 -name '*'`)
 #
 #SAVE_etc="SAVE_ROOT/etc"
 #DIRS_etc=(`find "$SAVE_ROOT/etc" -maxdepth 1 -mindepth 1 -name '*'`)
 #
 #SAVE_bin="SAVE_ROOT/bin"
 #DIRS_bin=(`find "$SAVE_ROOT/bin" -maxdepth 1 -mindepth 1 -name '*'`)
 #
 #SAVE_sbin="SAVE_ROOT/sbin"
 #DIRS_sbin=(`find "$SAVE_ROOT/sbin" -maxdepth 1 -mindepth 1 -name '*'`)
 #
 #SAVE_var="SAVE_ROOT/var"
 #DIRS_var=(`find "$SAVE_ROOT/var" -maxdepth 1 -mindepth 1 -name '*'`)
 #
 #SAVE_usr="SAVE_ROOT/usr"
 #DIRS_usr=(`find "$SAVE_ROOT/usr" -maxdepth 1 -mindepth 1 -name '*'`)
 #
 #SAVE_lib="SAVE_ROOT/lib"
 #DIRS_lib=(`find "$SAVE_ROOT/lib" -maxdepth 1 -mindepth 1 -name '*'`)
 
 #ETC_root="SAVE_ROOT/root"
 #DIRS_root=(`find "$SAVE_ROOT/lib" -maxdepth 1 -mindepth 1 -name '*'`)
 #DIRS+=( "${DIRS_opt[@]}" "${DIRS_etc[@]}" "${DIRS_etc[@]}"1 i