for grab noval from xs.dmzj

D:\gitchunk\clawer_aggregate\scripts\com.dmzj.xs_cli.js

var clawer_aggregate = require('./..');
var commander = require('commander');
var fs = require('fs');
var path = require('path');
program = commander
            .usage('')
            .option('--chapture <url>', 'page url')
            .option('--noval <url>', 'noval url')
            .parse(process.argv);

if( !program.noval && !program.chapture ){
  program.help()
} else if( program.noval ){
  clawer_aggregate({
  })
    .grep( program.noval, {
      title : ['text', 'h1'],
      content: ['href', '.wrapper .left .download_boxbg a:first-of-type']
    })
    .unwind('content')
    .grep('$content', {
      doc : 'content'
    })
    .exec(function(e, res ) {
      if( e ){
        console.log( e.stack );
      } else {
        var filename= path.join(__dirname, res[0].title + '.txt');
        res.forEach(function( doc ) {
          fs.appendFileSync( filename, doc.doc );
        });
        console.log('all done', filename);
      }
    })
} else if( program.chapture ){
  clawer_aggregate({})
    .grep(program.chapture, {
      title :  ['text', 'h1'],
      content : ['text', '#novel_contents.novel_text']
    })
    .exec(function( e ) {
      if( e ){
        console.log( e.stack );
      } else {
        var filename= path.join(__dirname, res[0].title + '.txt');
        res.forEach(function( doc ) {
          fs.appendFileSync( filename, doc.doc );
        });
        console.log('all done', filename);
      }
    });
}