#!/bin/bash
#
if [ $# -lt 3 ]
then
   echo
   echo "Usage: minfo -m <meta-type> <epub-file>"
   echo
else
   fileloc=`unzip -l "$3" | grep -Po 'b[^s-]*.opfb'`
   metafound=`zipgrep  '<dc:'$2'>(.*)</dc:'$2'>' "$3" $fileloc`
   echo `expr "$metafound" : '.*<dc:'$2'>(.*)</dc:'$2'>.*'`
fi

beaker$ ./minfo -m title Make_Electronics.epub
Make: Electronics
beaker$ ./minfo -m publisher Make_Electronics.epub
O'Reilly Media, Inc.
beaker$ ./minfo -m subject Make_Electronics.epub

beaker$

<dc:subject/>

#!/bin/bash

exiftool="/usr/local/bin/exiftool"

filename=$(basename "$1")
extension="${filename##*.}"
filename="${filename%.*}"
directory=$(dirname "$1")
newfilename=`${exiftool} -T -Title $1`

echo mv "$1" "${directory}/${newfilename}.${extension}"
mv "$1" "${directory}/${newfilename}.${extension}"