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#!/bin/sh
##
## pdfpun: A shell program to n-up pages of a PDF file with
## the n-upped pages ordered from right to left
##
## Author David Firth (http://go.warwick.ac.uk/dfirth)
##
## This is a simple wrapper for (three runs of) pdfjam, version 2.01
##
##
E_USAGE=64 ## for a command line usage error
##
for arg in "$@"; do
case "$arg" in
--batch)
printf "pdfpun ERROR: the --batch option is not allowed\n" 1>&2;
exit "$E_USAGE" ;;
--no-tidy)
n='--no-tidy' ;;
--quiet | -q)
q='-q' ;;
--checkfiles)
c='--checkfiles' ;;
*) continue ;;
esac
done
sourceFile="$1" ;
shift ;
##
## Some (very) minimal checking of the first argument:
##
if test ! -e "$sourceFile" ;
then
printf "pdfpun ERROR: first argument must be a PDF file\n" ;
exit $E_USAGE ;
fi
if test "$sourceFile" = /dev/stdin ;
then
if tty -s ; then
printf "pdfpun ERROR: tty is connected to connected to stdin, no PDF file found\n"
exit $E_USAGE ;
fi
fi
##
## That's all the argument checking!
##
pageSpec="-" ## the default
case "${1}" in
--* | "")
;;
*) ## a page spec was given
pageSpec="$1" ;
shift ;;
esac
case "${1}" in
--outfile)
outFile="$2" ;
shift 2 ;;
*)
;;
esac
if test "$outFile" = "" ;
then
printf "pdfpun ERROR: no output file specified\n" 1>&2 ;
exit "$E_USAGE" ;
fi
pdfjam --reflect true $n $q $c "$sourceFile" "$pageSpec" -o /dev/stdout | \
pdfjam --landscape --nup 2x1 "$@" -o /dev/stdout | \
pdfjam --suffix nup --reflect true --fitpaper true $n $q -o "$outFile"
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