Михаил обнови решението на 31.10.2015 11:53 (преди над 2 години)
+package main
+
+import "strings"
+
+func ExtractColumn(logContents string, column uint8) string {
+        rows := strings.SplitAfter(logContents, "\n")
+        result := ""
+        for _, row := range rows {
+                columns := strings.SplitN(row, " ", 4)
+                if len(columns) < 4 {
+                        continue
+                }
+
+                var toAppend string
+                switch column {
+                case 0:
+                        toAppend = strings.Join(columns[:2], " ") + "\n"
+                case 1:
+                        toAppend = columns[2] + "\n"
+                case 2:
+                        toAppend = columns[3]
+                }
+                result = strings.Join([]string{result, toAppend}, "")
+        }
+
+        if len(result) > 0 && result[len(result)-1] != '\n' {
+                result = strings.Join([]string{result, "\n"}, "")
+        }
+        return result
+}
