Re: How to read the contents of an nsIFile in JavaScript

[Brendan Eich]

Simon Fraser wrote:

> I need to read in a file in JS, perferably a line at a time, using an 
> nsIFile. How to do this?
> 
> I can make an nsIFileInputStream and init it with an nsIFile, but
> nsIInputStream.read is not scriptable!

You need to use nsIScriptableInputStream, implemented by an 
nsScriptableInputStream adapter class you create using the 
"@mozilla.org/scriptableinputstream;1" contract-id.

Alas, I don't see any read-one-line method.  Are you adapting 
nsIFileSpec code?

/be