eBook Open Dir Finder

Find_ebooks.sh

#!/usr/bin/env bash declare -i CHECK_DIGIT declare -i B if [ ! -d "$2" ] ; then mkdir "$2" ; fi #If the directory I passed doesn't exist, create it find "$1" -iname '*' -type f -print0 | xargs -L 1 -0 | while read F ; do unset ISBN if [ -s "$F" ] ; then #If the file has non zero size then.. if (file -b "$F" | grep -w ^PDF >/dev/null) ; then #The -b flag makes the file utility not print the filename, this is important since if printed, the filename may contain a match for grep which is not what I want, I want to test the file type. #If the file is a PDF then.. P=`pdfinfo "$F" 2>/dev/null 3>/dev/null 99>/dev/null | awk '/^Pages/{if ( $2 > 100 ) print $2 }'` #If the PDF has more than 100 pages, then set the number of pages to the variable P if [ $P ] ; then A=0 while [ ! $ISBN ] ; do case "$A" in 0) A=5 ;; 5) A=6 ;; 6) A=4 ;; 4) A=3 ;; 3) A=2 ;; 2) A=1 ;; 1) A=7 ;; 7) A=8 ;; 8) A=9 ;; 9) A=10 ;; 10) A=12 ;; 12) A=14 ;; 14) A=11 ;; 11) A=13 ;; 13) A=$((P-5)) ;; `expr $P - 5`) A=$((P-4)) ;; `expr $P - 4`) A=$((P-3)) ;; `expr $P - 3`) A=$((P-2)) ;; `expr $P - 2`) A=$((P-1)) ;; `expr $P - 1`) A=$P ;; $P) ISBN=0 ;; #to make case end I give the variable ISBN a value [of 0] even though it didn't find an ISBN esac # This sets A to the most likely page for grep to match the correct ISBN pdftotext -enc ASCII7 "$F" -f $A -l $A 2>/dev/null 3>/dev/null 99>/dev/null - | grep -E -o '\<978[^A-Za-z:)(,/\\.]{9,13}[[:digit:]]\>' | sed -r 's/[^0-9]//g' | uniq -s 3 | while read DOG ; do A1=`expr ${DOG:3:1} \* 3` A2=${DOG:4:1} A3=`expr ${DOG:5:1} \* 3` A4=${DOG:6:1} A5=`expr ${DOG:7:1} \* 3` A6=${DOG:8:1} A7=`expr ${DOG:9:1} \* 3` A8=${DOG:10:1} A9=`expr ${DOG:11:1} \* 3` A10=`expr 10 - ${DOG:12:1}` A11=${DOG:12:1} CHECK_DIGIT=(38+A1+A2+A3+A4+A5+A6+A7+A8+A9)%10 #This calculates the check digit if [[ $CHECK_DIGIT -eq $A10 ]] ; then echo $DOG fi if [[ $A11 -eq 0 && $CHECK_DIGIT -eq 0 ]] ; then echo $DOG fi done > 1.txt # Why am I sending the output to a text file? that's a long story, piping a while loop creates a subshell..so the variables set in it unset at it's end, I needed a variable (B) to increment each time an ISBN is found... B=`wc -l <1.txt` if [[ $B -eq 1 ]] then ISBN=`awk 'NR==1 {print $1}'<1.txt` if [ ! -f "$2"/$ISBN.pdf ]; then mv "$F" "$2"/$ISBN.pdf else num=2 while [ -f "$2"/$ISBN-$num.pdf ]; do (( num++ )) done mv "$F" "$2"/$ISBN-$num.pdf fi elif [[ $B -gt 1 ]] ; then C=`pdftotext -enc ASCII7 "$F" -f $A -l $A 2>/dev/null 3>/dev/null 99>/dev/null - | grep -o -w -E "(c)|©|Catalog[u]?ing[- ]in[- ]Publication[- ]Data|Congress|CIP|transmitted|[Cc]opyright|acid[- ]free"` if [ "$C" ] then ISBN=`awk 'NR==1 {print $1}'<1.txt` if [ ! -f "$2"/$ISBN.pdf ]; then mv "$F" "$2"/$ISBN.pdf else num=2 while [ -f "$2"/$ISBN-$num.pdf ]; do (( num++ )) done mv "$F" "$2"/$ISBN-$num.pdf unset B unset CHECK_DIGIT fi fi fi done fi fi fi done exit 0