Download script for springerlink.com Ebooks

#!/bin/bash                                                                                                                                                   
 
if[["$1" == ""]]; then
echo"Usage: $0 \"http://springerlink.com/content/.../?p=...\""
exit1
fi
 
target=$1
 
# get whole page
echo-n"Please wait, link source is being downloaded..."
page=$(wget-q-O - "$target")
echo"ok - done"
 
echo-n"Validating link source..."
 
# get title of page
title_line=$(echo"$page"2>/dev/null | grep-n-m1'<h2 class="MPReader_Profiles_SpringerLink_Content_PrimitiveHeadingControlName">' | egrep-o"^[[:digit:]]+")
if[["$title_line" == ""]]; then
echo"invalid URL"
exit1
fi
l=0
title=""
whileread line; do
if[["$l" == "$title_line"]]; then
title=$(echo"$line" | egrep-o"[[:alnum:]].+[[:alnum:]]" | iconv -f"UTF-8"-t"ASCII//TRANSLIT")
break
fi;                                                                                                                                                           
l=$(expr$l + 1)
done<<(echo"$page")
if[["$title" == ""]]; then
echo"invalid URL"
exit1
fi
echo"ok - done"
 
# check type
type=$(echo"$page" | grep-o'<span id="ctl00_PageHeadingLabel".*</span>' | grep-o'>.*<' | egrep-o'[^<>]+')
 
if[["$type" == "Book Chapter"]]; then
echo"will download book chapter '$title'"
echo
 
wget-O"$title.pdf""$(dirname $target)/fulltext.pdf"
elif[[$type == "Book"]]; then
echo"will download book '$title'"
echo
 
mkdir"$title"2>/dev/null
cd"$title" || exit1
 
# get links
declare-a links;
key=0
whilereadlink; do
      links[${key}]=$link
key=$(expr$key + 1)
done<<(echo"$page" | grep'/fulltext.pdf"><img' | egrep-o'href="[^"]+' | cut-c7-)
 
# get front + back matter
wget-O"0-front-matter.pdf""$(dirname $target)/front-matter.pdf"
wget-O"$((${#links[@]}+1))-back-matter.pdf""$(dirname $target)/back-matter.pdf"
 
# get chapters
key=0
whileread chapter; do
echo"$(($key+1)) - $chapter    ::    ${links[${key}]}"
chapter=$(echo$chapter | iconv -f"UTF-8"-t"ASCII//TRANSLIT")
wget-O"$(($key+1))-$chapter"".pdf""http://springerlink.com/${links[${key}]}"
key=$(expr$key + 1)
done<<(echo"$page" | egrep-o'^[[:blank:]]*<a href="/content/[^>]+&amp;pi=[[:digit:]]+">[^>]+</a>' | \
egrep-o'>[^<]+' | cut-c2-)
 
cd ..
tar-cvjf"$title.tar.bz2""$title"
rm"$title"/*.pdf
rmdir"$title"
else
echo"unknown link type '$type'"
fi