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AWK Script  |  1989-04-21  |  195 b   |  11 lines
  1.  
  2. #   Sample AWK program showing the modification of field variables
  3.  
  4. BEGIN            { FS = OFS = "\t" }
  5.  
  6. $4 == "North America"    { $4 = "NA" }
  7.  
  8. $4 == "South America"    { $4 = "SA" }
  9.  
  10.             { print }
  11.