#!/bin/bash
#
#  Create soft links with appropriate file extentions for some of the
#  graphic files in Netscape cache, then fire up a viewer to browse then.
#
#  01/10/2003  For Slackware 8.1.01 / Netscape 7.0.1
#
#  We'll pick the 'n' largest / newest files
#
NS_CACHE=/home/username/.mozilla/default/directory/Cache
MAX_FILES=300
TMPFILE1=/tmp/tmp1_.tmp
TMPFILE2=/tmp/tmp2_.tmp
DIRROOT=/tmp
DIRNAME=tmp_dir1
VIEWER=gqview
cd $NS_CACHE
# Get filenames, sizes, and binary timestamps, omitting
# the '_CACHE_MAP_' file and friends; sorted by size and timestamp.
find . \
 -type f \
 ! -name "_*" \
 -printf "%P %s %T@\n" | sort -k 2,2nr -k3,3 >$TMPFILE1
# Strip just the filenames for 'file'
gawk '{ print $1 }' $TMPFILE1 >$TMPFILE2 
# Get the filetypes
file -z -f $TMPFILE2 >$TMPFILE1
# pick out the image files, and output filenames and extensions
gawk -v max_files=$MAX_FILES ' \
/image data/ \
{
   if (files_out >= max_files) exit 0;
   fn = substr($1,1,length($1)-1);
   if ($2 == "JPEG") {
      files_out++;
      printf "%s file%03d.jpeg ", fn, files_out;
   }
   else if ($2 == "GIF") {
      files_out++;
      printf "%s file%03d.gif ", fn, files_out;
   }
   else if ($2 == "PNG") {
      files_out++;
      printf "%s file%03d.png ", fn, files_out;
   }
}
END {
   if (files_out < 1) exit 1;
   else               exit 0;
} ' $TMPFILE1 >$TMPFILE2
if [ $? -ne 0 ] ; then
   echo "Nothing to display."
   exit 0
fi
# Now we read the list into a shell variable
LIST=`cat $TMPFILE2`
# Make a clean subdirectory and create the links
cd $DIRROOT
rm -f -r $DIRNAME
mkdir $DIRNAME
cd $DIRNAME
F=""
for I in $LIST ; do
   if [ -z $F ] ; then
      F=$I
   else
      ln -s $NS_CACHE/$F $I
      touch -r $NS_CACHE/$F $I
      F=""
   fi
done
$VIEWER .
rm -f $TMPFILE1 $TMPFILE2
rm -f -r $DIRROOT/$DIRNAME