for f in *.pdf; do ./bashscript.sh $f; done 2> /dev/null

exit $E_BADARGS

NUM=$(pdftk $1 dump_data | grep 'NumberOfPages' | awk '{split($0,a,": "); print a[2]}')

COMMSTR=''

COMMSTR=

for i in $(seq 1 $NUM);

for ((i=1; i<=$NUM; i++));

$(echo "" | ps2pdf -sPAPERSIZE=a4 - pageblanche.pdf)

$(pdftk A=$1 B=pageblanche.pdf cat $COMMSTR output 'mod_'$1)

(pdfnup 'mod_'$1 --nup 2x1 --landscape --outfile 'print_'$1)

#!/bin/bash

if [ $# = 0 ]
then
  echo "Usage: $0 file1.pdf file2.pdf ..."
  exit 1
fi

for file; do
    NUM=$(pdftk "$file" dump_data | awk -v FS=": " '/NumberOfPages/ { print $2; exit }')
    COMMSTR=

    for ((i=1; i<=$NUM; i++)); do COMMSTR="$COMMSTR A$i B1 "; done

    blank=blank.pdf
    ps2pdf -sPAPERSIZE=a4 - $blank < /dev/null
    pdftk A="$file" B=$blank cat $COMMSTR output mod_"$file"
    pdfnup mod_"$file" --nup 2x1 --landscape --outfile print_"$file"
    rm $blank && rm mod_"$file"
done