bin/pubreader

#!/usr/bin/env bash

read_epub()
{
einfo -q -p $1 | elinks -force-html -dump
}

read_html()
{
elinks -dump $1
}

read_txt()
{
cat $1
}

view_txt()
{
book="$(dialog --backtitle "Choose a text file" --fselect $HOME 0 0 --stdout)"
dialog --backtitle "$book" --textbox $book 0 0
}

view_html()
{
book="$(dialog --backtitle "Choose an HTML file" --fselect $HOME 0 0 --stdout)"
read_html $book > $HOME/.etemp.txt
dialog --backtitle "$1" --textbox $HOME/.etemp.txt 0 0
rm $HOME/.etemp.txt
}

show_metadata()
{
einfo $1
}

view_epub()
{
book="$(dialog --backtitle "Choose a book" --fselect $HOME/Books/ 0 0 --stdout)"
read_epub $book > $HOME/.etemp.txt
dialog --backtitle "$book" --textbox $HOME/.etemp.txt 0 0
rm $HOME/.etemp.txt
}

do_help()
{
cat << EOF
Usage:

$0 -r {epub,html,txt} file | less

Dump a file according to specified format to standard output for pagers like less.

$0 -m file

Show an ePub book's metadata.

$0 -v {epub,html,txt}

Select and read a file via curses dialogs.

$0 -h

Display this help page.
EOF
}

if [ -e ~/.pubreader.rc ];then
	source ~/.pubreader.rc
else
	cat > ~/.pubreader.rc << EOF
#add new functions below
EOF
	source ~/.pubreader.rc
fi

while getopts "r:m:v:h" option;do
	case "$option" in
		r) read_${OPTARG} $3;;
		m) show_metadata ${OPTARG};;
		v) view_${OPTARG};;
		h) do_help;;
	esac
done