scripts/book: minimal ebook reader

scripts/book

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+#!/bin/sh
+
+# create temporary dir...
+title=$(basename "$1")
+temp="/tmp/book-$(echo "$title" | tr -- '[A-Z] ' '[a-z]-')"
+mkdir "$temp"
+
+# ...and delete it on exit
+trap 'rm -rf "$temp"' EXIT INT HUP
+# extract book to it
+unzip -q "$1" -d "$temp"
+
+# locate the path of the manifest
+content_file=$temp/$(sed -n 's/.*full-path="\([^"]*\)".*/\1/p' "$temp/META-INF/container.xml")
+content_dir="$(dirname "$content_file")"
+# get the list of chapter files
+filenames=$(sed -n '/media-type="application/s/.*href="\([^"]*\)".*/'"\1/p" "$content_file")
+filepaths=$(printf "$content_dir/%s " $filenames)
+
+# strip filepaths from links
+fix_links=$(printf "s/%s//g;" $filenames)
+# set title to basename
+fix_title="s/<title>[^<]*/<title>$title/"
+
+# join all the files and open in w3m
+sed -e $fix_links -e "$fix_title" $filepaths > "$temp/book.html"
+w3m "$temp/book.html"