Bash script that will convert legacy vbulletin attachment directory structure from ./1234/xxxx.attach to ./1/2/3/4/xxxx.attach in order to import into xenforo

vbulletin_attachment_folder_converter.sh

#!/bin/bash
echo "vb4 Attachment Folder Structure Splitter"
# CHANGE THIS YOUR DESIRED COPY LOCATION
DEST="../dest"

for i in $(ls -d */); do
	OLDDIR=${i%%/} 			#Set old director var
	COUNT=${#OLDDIR} 		#Get Number of Directories
	TOTAL=$((COUNT + 1))		#Set the total to plus 1
	COUNTER=1			#Set Counter
	PATHBUILD=""			#Path Builder Var
	###################################################
	#BUILD NEW FOLDERS FROM OLD
	while [ $COUNTER -lt $TOTAL ]; do
		FNAME=`expr substr $OLDDIR $COUNTER 1`
		#PATH BUILD ex: 8/8/8/999.attach
		PATHBUILD="$PATHBUILD/$FNAME"
		COUNTER=$((COUNTER + 1))
	done
	###################################################
	#CREATE DESTINATION PATH
	DESTPATH=$DEST$PATHBUILD
	echo "creating: " $DESTPATH
	mkdir -p $DEST$PATHBUILD
	###################################################
	#MOVE FILES
	for ATTACHMENTS in `ls $OLDDIR`; do
		OLDATTACH="$OLDDIR/$ATTACHMENTS"
		ATTACHMOVE="$DESTPATH/$ATTACHMENTS"
		echo $OLDATTACH " to " $ATTACHMOVE
		cp $OLDATTACH $ATTACHMOVE
	done
	###################################################
done

echo "Finshed"
exit