Running a rake task from a controller (pass/return values)

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  • 1. Statement modifiers causing confusion
    I'm working my way through the second edition of the pickaxe and have encountered an example that doesn't work as I'd expected. while line = gets puts line.downcase end That code made sense... it was then simplified to: puts line.downcase while line = gets This doesn't work the same, however. I get: 02.07.rb:1: undefined local variable or method `line' for main:Object (NameError) The odd part (to me) is that the error isn't spit out until after I've entered a line. In which order does the interpreter do it's job? Even more perplexing is: line = 'This will never be seen...' puts line.downcase while line = gets Defining line solves the issue. So, it seems to me, gets is executed but something is erroring before the assignment to line... ? Any help in understanding would be greatly appreciated!

Running a rake task from a controller (pass/return values)

Postby Harp Oon » Mon, 17 Mar 2008 11:01:40 GMT

I'm a RoR noob.
I have a controller that receives data from a view. I want to save that
data into a DB, which is fine. After saving the data, I want to run a
rake task on it to get more data to save it in the DB.

The rake task work fine, but I can't figure out a way to pass in the
recordID for the task I want the task to run on.

Within the rake task I can access all the data within a table and run
the task on all the data, but I don't want that to happen. All I want is
to pass in the recordID for the task to run on .

Also, is there a way for a rake task to return an array back to the
controller?
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Re: Running a rake task from a controller (pass/return values)

Postby Julian Leviston » Tue, 01 Apr 2008 09:33:20 GMT

Wow...

It's like a bundle of mixedupness! :-)

Can I ask why you're using a rake task?

Better to clarify what you're talking about first, then we can help out.

Julian.








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