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|   1 # abp2blocklist |   1 # abp2blocklist | 
|   2  |   2  | 
|   3 This is a script to convert [Adblock Plus filter lists](https://adblockplus.org/
    filters) |   3 This is a script to convert [Adblock Plus filter lists](https://adblockplus.org/
    filters) | 
|   4 to [WebKit block lists](https://www.webkit.org/blog/3476/content-blockers-first-
    look/). |   4 to [WebKit block lists](https://www.webkit.org/blog/3476/content-blockers-first-
    look/). | 
|   5  |   5  | 
|   6 Note that WebKit content blockers are fairly limited. Hence, not all filters |   6 Note that WebKit content blockers are fairly limited. Hence, not all filters | 
|   7 can be converted (in a compatible way), and some differences compared to Adblock |   7 can be converted (in a compatible way), and some differences compared to Adblock | 
|   8 Plus for other browsers are expected. |   8 Plus for other browsers are expected. | 
|   9  |   9  | 
|  10 This script is used to convert the filter lists for |  10 This script is used to convert the filter lists for | 
|  11 [Adblock Plus for iOS](https://adblockplus.org/releases/adblock-plus-10-for-ios-
    released). |  11 [Adblock Plus for iOS](https://adblockplus.org/releases/adblock-plus-10-for-ios-
    released). | 
|  12  |  12  | 
|  13 ## Requirements |  13 ## Requirements | 
|  14  |  14  | 
|  15 The required packages can be installed via [NPM](https://npmjs.org): |  15 The required packages can be installed via [NPM](https://npmjs.org): | 
|  16  |  16  | 
|  17 ``` |  17 ``` | 
|  18 npm install |  18 npm install | 
|  19 ``` |  19 ``` | 
|  20  |  20  | 
 |  21 ### filterClasses.js | 
 |  22  | 
 |  23 The filterClasses module in `node_modules/filterClasses.js` is generated from | 
 |  24 the module in the `adblockpluscore` repository. It has been generated using | 
 |  25 JS Hydra, and small modifications made. If you need to re-generate the file run | 
 |  26 this command (adjusting the paths as appropriate): | 
 |  27  | 
 |  28 ``` | 
 |  29 python buildtools/jshydra/abp_rewrite.py adblockpluscore/lib/filterClasses.js | 
    grep -vi filterNotifier > ../abp2blocklist/node_modules/filterClasses.js | 
 |  30 ``` | 
 |  31 You will then need to remove any references to the `utils` module from the | 
 |  32 generated file by hand. | 
 |  33  | 
 |  34  | 
|  21 ## Usage |  35 ## Usage | 
|  22  |  36  | 
|  23 ``` |  37 ``` | 
|  24 node abp2blocklist.js < easylist.txt > easylist.json |  38 node abp2blocklist.js < easylist.txt > easylist.json | 
|  25 ``` |  39 ``` | 
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