nyaash/nyaa.sh

#!/bin/sh


# Assigning defaults

query=""
instance="https://nyaa.si"
page=""
max=75
type="c=0_0"
filter="&f=0"
modifiers=0

while [ $# -gt 0 ]; do
	case "$1" in
		-l|--link)
			modifiers=$((modifiers|1))
			shift
			;;
		-r|--rss)
			modifiers=$((modifiers|2))
			shift
			;;
		-t|--type)
			case "$2" in
				all)
					type="c=0_0"
					;;
				anime)
					type="c=1_0"
					;;
				anime_mv)
					type="c=1_1"
					;;
				anime_english)
					type="c=1_2"
					;;
				anime_other)
					type="c=1_3"
					;;
				anime_raw)
					type="c=1_4"
					;;
				audio)
					type="c=2_0"
					;;
				lossless)
					type="c=2_1"
					;;
				lossy)
					type="c=2_2"
					;;
				literature)
					type="c=3_0"
					;;
				literature_english)
					type="c=3_1"
					;;
				literature_other)
					type="c=3_2"
					;;
				literature_raw)
					type="c=3_3"
					;;
				live_action)
					type="c=4_0"
					;;
				live_action_english)
					type="c=4_1"
					;;
				live_action_pv)
					type="c=4_2"
					;;
				live_action_other)
					type="c=4_3"
					;;
				live_action_raw)
					type="c=4_4"
					;;
				picture)
					type="c=5_0"
					;;
				graphic)
					type="c=5_1"
					;;
				photo)
					type="c=5_2"
					;;
				software)
					type="c=6_0"
					;;
				apps)
					type="c=6_1"
					;;
				games)
					type="c=6_2"
					;;
				*)
					echo "Invalid type $2" 1>&2
					exit 1
					;;
			esac
			shift
			shift
			;;
		-*f|--filter)
			case "$2" in
				none)
					filter="&f=0"
					;;
				noremakes)
					filter="&f=1"
					;;
				trusted)
					filter="&f=2"
					;;
				*)
					echo "Invalid filter $2" 1>&2
					exit 1
					;;
			esac
			shift
			shift
			;;
		-m|--max)
			max=$(($2 < 75 ? $2 : 75))
			shift
			shift
			;;
		-p|--page)
			page="&p=$2"
			shift
			shift
			;;
		-i|--instance)
			instance=$(echo "$2" | sed "s/\/^//")
			shift
			shift
			;;
		-v|--version)
			echo "1.1.rc2"
			exit	
			;;
		-h|-?|--help)
			echo "nyaash
Minimal nyaa query tool

USAGE:
nyaash [args] [query] [args]

OPTIONS
-l, --link		output request link
-r, --rss		output rss page (can be combined with -l) 
-f, --filter		select filter (none, noremakes, trusted) (def. none)
-t, --type		select torrent type (def. all)
-m, --max	 	maximum numbers of results (def.=max=75)
-p, --page	 	choose page
-i, --instance	 	specify instance (including protocol)
-v, --version		print version
-h, --help		print help

Accepted torrent types (-t option)
all, anime, anime_mv, anime_english anime_other anime_raw, audio, lossless, lossy, literature, literature_english, literature_other, literature_raw, live_action, live_action_english, live_action_pv, live_action_other, live_action_raw, picture, graphic, photo, software, apps, games "
			exit	
			;;
		*)
			query="&q=$1"
			shift
			;;
	esac
done

# Generating query

request=$(echo "$instance"/?"$type$filter$page$query")

# Checking output modifiers

case "$modifiers" in
	1)
		echo "$request"
		exit
		;;
	2)	wget -q -O - "$request"'&page=rss'
		exit
		;;
	3)
		echo "$request"'&page=rss'
		exit	
		;;
	*)
		;;
esac


# Querying nyaa and filtering torrent table

page=$(lynx -source "$request")
torrents=$(echo "$page" | grep -A 1000000000 '<tbody>' | grep -B 1000000000 '</tbody>' | sed -e '/<\/tbody>/d' -e '/<tbody>/d')

# Parsing torrent table

titles=$(echo "$torrents" | sed '/class="comments"/{N;d}' | grep -A 1 '<td colspan="2">' | sed -e '/<td colspan="2">/d' -e '/^--/d' -e 's/<\/a>//g' -e 's/^.*<a.*>//')
magnets=$(echo "$torrents" | grep -o 'magnet:?xt=urn:btih:[0-9a-f]*')
size=$(echo "$torrents" | grep -o -E '[0-9]{1,4}.[0-9]{,4} ([TGMKk]i)?B')
date=$(echo "$torrents" | grep -o -E '[0-9]{4,4}-[0-9]{2,2}-[0-9]{2,2} [0-9]{2,2}:[0-9]{2,2}( ?([APap][mM]))?')
type=$(echo "$torrents" | grep '<img src.*alt="' | sed -e 's/^.*alt="//' -e 's/" class="category-icon">//')
extras=$(echo "$torrents" | grep -o -E '<td class="text-center">[0-9]*</td>' | sed -e 's/<td class="text-center">//' -e 's/<\/td>//')

# Decoding html chars

titles=$(echo "$titles" | sed 's/&nbsp;/ /g; s/&amp;/\&/g; s/&lt;/\</g; s/&gt;/\>/g; s/&quot;/\"/g; s/&#39;/\'"'"'/g; s/&ldquo;/\"/g; s/&rdquo;/\"/g;')

# Generating output

length=$(echo "$magnets" | wc -l)
length=$((length>max ? max : length))
i=1
while [ $length -ge $i ]; do
	echo "$i [$(echo "$type" | sed -n "$i"p)]: $(echo "$titles" | sed -n "$i"p)"
	echo "$(echo "$magnets" | sed -n "$i"p )"
	echo -n "size: $(echo "$size" | sed -n "$i"p ) "
	echo -n "date: $(echo "$date" | sed -n "$i"p ) "
	echo -n "seeds: $(echo "$extras" | sed -n "$((3*$i-2))"p ) "
	echo -n "leechs: $(echo "$extras" | sed -n "$((3*$i-1))"p ) "
	echo "completed: $(echo "$extras" | sed -n "$((3*$i))"p )"
	echo ""
	i=$(($i + 1))
done