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New twitter layout #26

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a8b7768
updated examples to current twitter ui
Feb 6, 2014
2060bda
updated readme to align with twitter ui; introduced Running Examples …
Feb 6, 2014
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59 changes: 31 additions & 28 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -10,68 +10,71 @@ Via [npm](http://github.com/isaacs/npm):

## Examples

### Running examples

$ node ./examples/simple.js

### Simple
First argument is an url as a string, second is a callback which exposes a jQuery object with your scraped site as "body" and third is an object from the request containing info about the url.

var scraper = require('scraper');
scraper('http://search.twitter.com/search?q=javascript', function(err, jQuery) {
if (err) {throw err}
scraper('https://twitter.com/search?q=javascript', function(err, jQuery) {
if (err) {throw err;}

jQuery('.msg').each(function() {
jQuery('p.js-tweet-text.tweet-text').each(function() {
console.log(jQuery(this).text().trim()+'\n');
});
});

### "Advanced"
First argument is an object containing settings for the "request" instance used internally, second is a callback which exposes a jQuery object with your scraped site as "body" and third is an object from the request containing info about the url.

var scraper = require('scraper');
scraper(
{
'uri': 'http://search.twitter.com/search?q=nodejs'
, 'headers': {
'User-Agent': 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)'
}
}
, function(err, $) {
if (err) {throw err}
{
'uri': 'https://twitter.com/search?q=nodejs',
'headers': {
'User-Agent': 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)'
}
},
function(err, $) {
if (err) {throw err;}

$('.msg').each(function() {
$('p.js-tweet-text.tweet-text').each(function() {
console.log($(this).text().trim()+'\n');
});
}
);

### Parallel
First argument is an array containing either strings or objects, second is a callback which exposes a jQuery object with your scraped site as "body" and third is an object from the request containing info about the url.

**You can also add rate limiting to the fetcher by adding an options object as the third argument containing 'reqPerSec': float.**

var scraper = require('scraper');
scraper(
[
'http://search.twitter.com/search?q=javascript'
, 'http://search.twitter.com/search?q=css'
, {
'uri': 'http://search.twitter.com/search?q=nodejs'
, 'headers': {
scraper([
'https://twitter.com/search?q=javascript',
'https://twitter.com/search?q=css',
{
'uri': 'https://twitter.com/search?q=nodejs',
'headers': {
'User-Agent': 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)'
}
}
, 'http://search.twitter.com/search?q=html5'
]
, function(err, $) {
},
'https://twitter.com/search?q=html5'
],
function(err, $) {
if (err) {throw err;}

$('.msg').each(function() {
$('p.js-tweet-text.tweet-text').each(function() {
console.log($(this).text().trim()+'\n');
});
}
, {
},
{
'reqPerSec': 0.2 // Wait 5sec between each external request
}
);



## Arguments

### First (required)
Expand Down
4 changes: 2 additions & 2 deletions examples/advanced.js
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@@ -1,14 +1,14 @@
var scraper = require('scraper');

scraper({
'uri': 'http://search.twitter.com/search?q=nodejs'
'uri': 'https://twitter.com/search?q=nodejs'
, 'headers': {
'User-Agent': 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)'
}}
, function(err, $) {
if (err) {throw err;}

$('.msg').each(function() {
$('p.js-tweet-text.tweet-text').each(function() {
console.log($(this).text().trim()+'\n');
});
});
10 changes: 5 additions & 5 deletions examples/parallel.js
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Original file line number Diff line number Diff line change
@@ -1,20 +1,20 @@
var scraper = require('scraper');

scraper([
'http://search.twitter.com/search?q=javascript'
, 'http://search.twitter.com/search?q=css'
'https://twitter.com/search?q=javascript'
, 'https://twitter.com/search?q=css'
, {
'uri': 'http://search.twitter.com/search?q=nodejs'
'uri': 'https://twitter.com/search?q=nodejs'
, 'headers': {
'User-Agent': 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)'
}
}
, 'http://search.twitter.com/search?q=html5'
, 'https://twitter.com/search?q=html5'
]
, function(err, $) {
if (err) {throw err;}

$('.msg').each(function() {
$('p.js-tweet-text.tweet-text').each(function() {
console.log($(this).text().trim()+'\n');
});
}, {
Expand Down
4 changes: 2 additions & 2 deletions examples/simple.js
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Original file line number Diff line number Diff line change
@@ -1,9 +1,9 @@
var scraper = require('scraper');

scraper('http://search.twitter.com/search?q=javascript', function(err, $) {
scraper('https://twitter.com/search?q=javascript', function(err, $) {
if (err) {throw err;}

$('.msg').each(function() {
$('p.js-tweet-text.tweet-text').each(function() {
console.log($(this).text().trim()+'\n');
});
});