Last active
March 7, 2017 18:39
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Save cw/4383852 to your computer and use it in GitHub Desktop.
example of using https://bitbucket.org/cw/firefox-extension-writefile
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App = function(); | |
App.prototype.write_file = function(filename, code) { | |
var elements, elem, evt; | |
// remove existing WriteFileElem | |
elements = document.getElementsByTagName('WriteFileElem'); | |
while (elements[0]) elements[0].parentNode.removeChild(elements[0]); | |
// make new WriteFileElem and hide it | |
elem = document.createElement("WriteFileElem"); | |
elem.setAttribute("filename", filename); | |
elem.setAttribute("encoding", "ascii"); | |
elem.setAttribute("style", "display:none"); | |
// set content to passed `code` string | |
elem.innerHTML = code; | |
document.documentElement.appendChild(elem); | |
// trigger WriteFile event | |
evt = document.createEvent("Events"); | |
evt.initEvent("WriteFile", true, false); | |
return elem.dispatchEvent(evt); | |
}; |
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<html> | |
<body> | |
<WriteFileElem filename="/Users/joe/Desktop/writefile.txt" encoding="ascii"> | |
innerHTML of this element will be written to filename attribute value, if that file *doesn't exist*. | |
</WriteFileElem> | |
</body> | |
</html> |
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