shrinkpdf

#!/bin/sh
#
# shrinkpdf
# 
# Shane Celis

if [ $# -ne 1 ] && [ $# -ne 2 ]; then
   echo "usage: shrinkpdf <in.pdf> [out.pdf]" >&2;
   echo "Shrink the size of the given PDF.  By default it outputs to file 'out.pdf'." >&2;
   exit 2;
fi
in="$1";
out=out.pdf;
if [ $# -eq 2 ]; then
   out="$2";
fi
resolution=300;
gs  -q -dNOPAUSE -dBATCH -dSAFER \
	-sDEVICE=pdfwrite \
	-dCompatibilityLevel=1.3 \
	-dPDFSETTINGS=/screen \
	-dEmbedAllFonts=true \
	-dSubsetFonts=true \
	-dColorImageDownsampleType=/Bicubic \
	-dColorImageResolution=$resolution \
	-dGrayImageDownsampleType=/Bicubic \
	-dGrayImageResolution=$resolution \
	-dMonoImageDownsampleType=/Bicubic \
	-dMonoImageResolution=$resolution \
	-sOutputFile="$out" \
	"$in"