#!/bin/bash

  OUTPUTDIR=o
  TMPDIR=tmp

# ======================================================= #
# ------------------------------------------------------- #
# CREATE SORTED LIST
# ------------------------------------------------------- #
# ------------------------------------------------------- #

  INPUTDIR=i/pdf/polyline
  LIST=$TMPDIR/polyline.list

# LIST AND SORT ACCORDING TO FILESIZE
# SEE man ls FOR OPTIONS

  ls -rS ${INPUTDIR}/*.pdf | tail -100 > $LIST


# ======================================================= #
# ------------------------------------------------------- #
# CREATE LaTeX CONTROL FILE
# ------------------------------------------------------- #

  LISTTOTAKE=$TMPDIR/polyline.list
  TMPTEX=tmp.tex

 echo "\documentclass[9pt]{scrbook}          " >  $TMPTEX
 echo "\usepackage{pdfpages}                 " >> $TMPTEX

 echo "\begin{document}                      " >> $TMPTEX
 echo "                                      " >> $TMPTEX
 echo "\includepdfmerge                      " >> $TMPTEX
 echo "[                                     " >> $TMPTEX
 echo "nup=10x10,pages=1,                    " >> $TMPTEX
 echo "scale=.9,		             " >> $TMPTEX
 echo "trim=26pt 26pt 26pt 26pt,clip,        " >> $TMPTEX
 echo "delta=0pt 0pt,offset=0 0              " >> $TMPTEX
 echo "]                                     " >> $TMPTEX
 echo "{                                     " >> $TMPTEX

 COUNT=1
 HOWMANYPDFS=`cat $LISTTOTAKE | wc -l`

# --------------------------------- #
  for PDF in `cat $LISTTOTAKE`
   do
     KOMMA=","
     if [ $COUNT -eq $HOWMANYPDFS ];
     then
          KOMMA=""
     fi
     echo ${PDF}${KOMMA} >> $TMPTEX
     COUNT=`expr $COUNT + 1`
  done
# --------------------------------- #

 echo "}                                     " >> $TMPTEX
 echo "\end{document}                        " >> $TMPTEX

# ======================================================= #
# ------------------------------------------------------- #
# RENDER LaTeX FILE
# ------------------------------------------------------- #

 pdflatex -output-directory $OUTPUTDIR $TMPTEX

 rm $TMPTEX

exit 0;