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   dtfr wttrste gdhs rt a trsx trs htrsgjfhjfuif iufkyu gf ga re trt tr hww ert rwe td rty wer rwe rd tydds erg srtg hgh gh fyd dtrety rw ytr rw tyrq er trqe rqe rqe re yy hj rh rn ndnddtrbnetu ee reyrwe rw 6wt yw yrtbarwegt qer tqer qer s trs trhsrhnwr5df thyw rths ft hhswmne e wrth w bsdgbst trhawe rt er twe rwrnsennweanwae nwae twes rdthad sw trs tss erg atrwertwer rw tryrw fsdgbgfs hstsd d ft hsttrv ew trre twt qv34q43 w t rwtghw te tr wew b yw rrw sdg wert awer tawerrsadgtagrarsdfgsdbser adf gaerasg ar as sad #!/bin/bashdhjn da ertq re twerw rw#WORKINGDIR= wer werg reg/tmp/${0##*/}-$$ WORKINGDIR= .${0##*/}-$$ ar tse yasif (( ${#@} != 1 )) || [[ $1 = '--help' ]]; then printf '%s\n' \  Renders PDFqe tyqe5 w wr6 n ey ue ue files of books on Scribd. \  Usage: ${0##*/} scribd_book_url  exit 1sbe5yse5 nsa5e aelif ! command -v wget > /dev/null; then echo This script requires wget.  exit 1a gare ra tra tr t Relif ! command -v convert > /dev/null; then echo This script requernt wer6ires ImageMagick.  exit 1elif ! command -v pdftk > /dev/null; then echo This script requires PDFTK.  exit 1fib sth wprintf 'Getting HTML content... 'if ! html= $(wget -qO - $1 ) ; then printf '%s\n' error. Could not download \ $1\ .  exit 1fiw ety srbbybnwebneecho done. filename= ${html#*<title>} filename= ${filename%%</title>*} filename= ${filename//\//-} echo Destination PDF: \ $filename.pdf\ . printf 'Searching for assetPrefix... 'regexPrefix= docManager.assetPrefix = \ if ! [[ $html =~ $regexPrefix ]]; then printf '%s\n' error. \ $1\ is not a valid Scribd book URL.  exit 1fiprefix= ${html#*$regexPrefix} prefix= ${prefix%%\ *} echo \ $prefix\ . printf 'Finding pages to download... 'regexJpg=$prefix/images/[0-9]+-[0-9a-z]+.jpg regexJsonp= http://html[1-4]$prefix/pages/[0-9]+-[0-9a-z]+.jsonp unset -v pageswhile read line; do if [[ $line =~ $regexJsonp ]]; then page= ${line##*/pages/}  page= ${page%%.jsonp*}    pages+=( $page ) continue fi if [[ $line =~ $regexJpg ]]; then page= ${line##*/images/}  page= ${page%%.jpg*}  pages+=( $page ) fidone <<< $html totalPages= ${#pages[@]} echo $totalPages pages. clean-up() { printf 'Cleaning up... ' rm -r $WORKINGDIR  echo done. }trap 'echo; clean-up; exit 1' SIGINT SIGTERMecho Using working directory \ $WORKINGDIR\ . mkdir $WORKINGDIR padding= $(($totalPages-1)) padding= ${#totalPages} for pageIndex in ${!pages[@]}; do pageNumber= $((pageIndex + 1))  printf -v file %.${padding}d $((pageIndex + 1))  printf 'Rendering PDF data for page %s (of %s)... ' $pageNumber $totalPages  retries=0 until (( retries == 10 )); do wget -qO $WORKINGDIR/$file.jpg$prefix/images/${pages[$pageIndex]}.jpg && break sleep 2 done if (( retries == 10 )); then printf '%s\n' error. Error while downloading \$prefix/images/${pages[$pageIndex]}.jpg\ .  clean-up exit 1 fi if ! convert $WORKINGDIR/$file.jpg $WORKINGDIR/$file.pdf ; then printf '%s\n' error. Could not convert \ $WORKINGDIR/$file.jpg\ to PDF.  clean-up exit 1 fi rm $WORKINGDIR/$file.jpg  echo $(($(stat --printf '%s' $WORKINGDIR/$file.pdf ) / 1024)) KB. doneprintf 'Combining all PDF files to one file... 'pdftk $WORKINGDIR/ * .pdf cat output $WORKINGDIR/$filename.pdf   mv $WORKINGDIR/$filename.pdf $filename.pdf echo $(($(stat --printf '%s' $filename.pdf ) / 1024)) KB. clean-upecho PDF file saved as \ $filename.pdf\ .
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