I have a quick question and I apologise for my ignorance if it is easy
to perform.

I have a GUI class which takes 3 peices of information from the user in
text fields which are loaded into 3 variables.

I then want to click a 'Run' button and place the information from the
variables at three defined points in a text file.

Basically a user enters some information to the GUI, clicks RUN and a
predefined text file containing some data and three variables has each
of the variables updated to reflect user input?

First, is this possible? If so, where do I start?

I was thinking put three variables in the text file:

@variableA
@variableB
@variableC

I these will updated (like find and replace) using the Ruby GUI.

Thanks in advance.
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