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awk searching grid

Comment:

I want to make an awk script searching adjacent points. For example, if there is a reference point which is positioned at (1,1). Then I want to search all neighbors whose locations are (0,0),(0,1),(0,2),(1,0),(1,2),(2,0),(2,1),(2,2). The goal of this script is see if there is any neighboring points around the reference point. Thanks.

Reply:

This sounds like a homework assignment. Mark

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