Renames files from two directories interleaving them in a merged directory. Intended use with a two-camera diybookscanner.

gistfile1.sh

#!/bin/bash

IFS="$(echo -e "\n\r")"
BASE="page"
EXTN="JPG"

DEST_DIR="MergedPages"

I=0

ls ./EvenPages/*.$EXTN |
sort | 
while read FNAME
do 
  #convert -rotate 270 "$FNAME" "$FNAME"
	DIGITS=$(printf "%04d" $I)
	mv "$FNAME" "${DEST_DIR}/${BASE}${DIGITS}.${EXTN}"
	I=$(( I + 2 ))
done

I=1

ls ./OddPages/*.$EXTN |
sort | 
while read FNAME
do
	#convert -rotate 90 "$FNAME" "$FNAME"
	DIGITS=$(printf "%04d" $I)
	mv "$FNAME" "${DEST_DIR}/${BASE}${DIGITS}.${EXTN}"
	I=$(( I + 2 ))
done