bash

#!/bin/sh songId=$1 parseJson () { python -c "import json,sys;sys.stdout.write(json.dumps(json.load(sys.stdin)$1))"; } fetch () { local output=`wget -q --method GET --progress=dot --output-document - http://api.mp3.zing.vn/api/mobile/song/getsonginfo?requestdata={\"id\":\"$songId\"}` local link=$(echo $output | parseJson "['source']['320']