memory issues

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i have alot of raw data (e.g. x-coords, y-coords) stored in text files,
and i'm reading from those text files so that i can use that data to
create graphs.  i'm currently using the image_graph package
( /) to create these graphs.  the
problem i'm having is that my memory usage just after creating less
than 5 graphs is already at 3.5 megs, and i need to create over 100
graphs.  so, memory usage is a big problem.  does anyone have any
suggestions on how alleviate this problem?  thanks

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