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Top Forums Shell Programming and Scripting Script for converting a pdf to book format Post 302366520 by dokan on Thursday 29th of October 2009 07:44:54 PM
Old 10-29-2009
Hello! I finally made the script... and thanks dr. house! you gave me the clue!

(if someone want to use it just have to put it in ~/.gnome2/nautilus-scripts/ and give permissions of execution... it will appear in a folder called Scripts when you right click anywhere, into nautilus, of course...)

so here it is with some eventual modifications...
Code:
#!/bin/bash

## Recuerde instalar pdfjam y pdftk, es decir:
## sudo apt-get install pdftk pdfjam
##
## Nota: si su pdf no tiene contraportada, ponga ahi abajo un 0.


TOTAL=$( pdftk "$1" dump_data output | grep -i Num | cut -d \  -f2 )
i=1
j=$TOTAL
k=1
l=""
NOMBREFICH=${1##*/}
NOMBREFICH=${NOMBREFICH%%.pdf}
PARTES=""
CONTRAPORTADA=1


while [ -e .partwkj"$k"_*.pdf ]; do
	k=$(( $k + 1 ))
done
if [ -e "$NOMBREFICH"_libro"$l".pdf ]; then
	l=1
fi
while [ -e "$NOMBREFICH"_libro"$l".pdf ]; do
	l=$(( $l + 1 ))
done

if [ $(( $TOTAL % 2 )) -eq 0 ]; then
	pdfnup "$1" --nup 2x1 --pages $j,$i --outfile .partwkj"$k"_$i.pdf
	PARTES=".partwkj"$k"_$i.pdf"
	i=$(( $i + 1 ))
	j=$(( $j - 1 ))
	if [ $i -lt $(((($TOTAL + 1) / 2) + 1)) ]; then
		pdfnup "$1" --nup 2x1 --pages $i,$j --outfile .partwkj"$k"_$i.pdf
		PARTES="$PARTES .partwkj"$k"_$i.pdf"
		i=$(( $i + 1 ))
		j=$(( $j - 1 ))
	fi
else
	if [ $CONTRAPORTADA -eq 1 ]; then
		pdfnup "$1" --nup 2x1 --pages $j,$i --outfile .partwkj"$k"_$i.pdf
		PARTES=".partwkj"$k"_$i.pdf"
		i=$(( $i + 1 ))
		j=""
		if [ $i -lt $(((($TOTAL + 1) / 2) + 1)) ]; then
			pdfnup "$1" --nup 2x1 --pages $i,$j --outfile .partwkj"$k"_$i.pdf
			PARTES="$PARTES .partwkj"$k"_$i.pdf"
			i=$(( $i + 1 ))
			j=$(( $TOTAL - 1 ))
		fi
	else
		j=""
		pdfnup "$1" --nup 2x1 --pages $j,$i --outfile .partwkj"$k"_$i.pdf
		PARTES=".partwkj"$k"_$i.pdf"
		i=$(( $i + 1 ))
		j=$TOTAL
		if [ $i -lt $(((($TOTAL + 1) / 2) + 1)) ]; then
			pdfnup "$1" --nup 2x1 --pages $i,$j --outfile .partwkj"$k"_$i.pdf
			PARTES="$PARTES .partwkj"$k"_$i.pdf"
			i=$(( $i + 1 ))
			j=$(( $j - 1 ))
		fi
	fi
fi

while [ $i -lt $(((($TOTAL + 1) / 2) + 1)) ]; do
	pdfnup "$1" --nup 2x1 --pages $j,$i --outfile .partwkj"$k"_$i.pdf
	PARTES="$PARTES .partwkj"$k"_$i.pdf"
	i=$(( $i + 1 ))
	j=$(( $j - 1 ))
	if [ $i -lt $(((($TOTAL + 1) / 2) + 1)) ]; then
		pdfnup "$1" --nup 2x1 --pages $i,$j --outfile .partwkj"$k"_$i.pdf
		PARTES="$PARTES .partwkj"$k"_$i.pdf"
	fi
	i=$(( $i + 1 ))
	j=$(( $j - 1 ))
done
pdftk $PARTES cat output "$NOMBREFICH"_libro"$l".pdf
rm .partwkj"$k"_*.pdf

Thanks,
Antonio

Last edited by dokan; 11-12-2009 at 06:45 PM.. Reason: Updating Script
This User Gave Thanks to dokan For This Post:
 

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