On 12/12/12 21:09, frank ernest wrote:
I want to open a file so I read the library useage because I could not
recall the propor useage.
I typed in to my script:
a = open (dupli, r)
and got an error stating that "dupli" is not deffined.

It sounds as if dupli is the name of your file however you have passed it into open without quotes so Python thinks it is a variable. Except it has no variables called dupli....

Similarly the mode (r) should also be passed as a string.

In future please always post the full error text from your session,
its easier than us guessing and the messages often include subtle details that you may not have noticed...

HTH
--
Alan G
Author of the Learn to Program web site
http://www.alan-g.me.uk/

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