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From what I understood, it is not possible to read files using Greasemonkey. I need to define lot of static configuration files, and it seems pletely messy to include those directly in the user script.

So, what is the best way to store and retrieve that data?

From what I understood, it is not possible to read files using Greasemonkey. I need to define lot of static configuration files, and it seems pletely messy to include those directly in the user script.

So, what is the best way to store and retrieve that data?

• javascript
• firefox
• greasemonkey
• configuration-files

Share Improve this question Follow edited May 9, 2011 at 12:57 Caleb 5,44822 gold badges5050 silver badges6868 bronze badges asked May 9, 2011 at 12:50 Michael LumbrosoMichael Lumbroso 4,99355 gold badges2828 silver badges3434 bronze badges

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3 Answers 3

Sorted by: Reset to default 5

Yes, it is not possible, by design, to read local files.

If your files are all a page or so of text, and don't change that often, go ahead and use GM_getResourceText(), per Dr.Molle's answer.

If your files are large, or change rapidly, then host them on a server and use GM_xmlhttpRequest() to read back the file you need, at runtime. See item 2, below.

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1. Using GM_getResourceText() is the easiest and fastest way to proceed. And, if the config files are reasonably sized (say less than 1K on average), this method will probably be faster than methods that rely on Ajax -- even with 150 (!!!) files.

   Drawback: You will have to bookmark an awkward path and remember it, when you want to edit a config file. (EG: C:\Documents and Settings\<Windows login/user name>\Application Data\Mozilla\Firefox\Profiles\<profile folder>\gm_scripts\YOUR_SCRIPT_NAME\ )

2. If you really can't -- or don't want to -- use a bunch of relatively static files, the best choice is to host the config files on your server and have GM_xmlhttpRequest() read the needed file when the script runs.

   If you do not have your own server, then you can host the files someplace like Google Docs.

3. Using GM_getValue() or using globalStorage or local storage can all be very fast and efficient about getting your config file data (and only the data you want). But, storing the data can be a major pain unless you write your own tools to do so (also a pain, but others have done it).

4. Using @require offers no advantage over GM_getResourceText() unless your config files are really valid JavaScript code. And, this method will require you to uninstall and then reinstall your script every time the name of an include file changes -- or if you add or delete files.
   Not remended.

You can load a ressource: http://wiki.greasespot/GM_getResourceText

Or you can load it automatically using @require

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