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Splunk子查询模糊匹配csv中字段值为*
2022-07-07 05:19:00 【QYHuiiQ】
之前我们的案例中常用的是直接在spl中用*来模糊匹配,但是如果在一个csv中定义某个字段的值为*,然后在spl里对该csv进行查询时,这个*值是否还表示模糊匹配?针对这个疑问,做了如下测试:
- 创建csv测试数据
| makeresults
| eval student_name="T*",hometown="Zhejiang"
| fields - _time
| outputlookup student.csv
#这里我想表示的是名字以T开头的,所有学生的hometown都是Zhejiang查看csv:

- 使用spl将原数据与csv合并查询
| makeresults
| eval student_name="Tina",age="17",hometown="Zhejiang"
| search
[| inputlookup student.csv
| fields student_name hometown]
| table student_name age hometown这条数据中的学生名字是以开头的,如果csv中的T*可以表示模糊匹配的话,那么我们的执行结果应该是可以查询出来这条数据,如果csv中的T*表示字符串"T*",那么就查不出来结果。
执行结果:
Case1:

Case2:

说明csv中的T*表示模糊匹配。
Case3:

Case4:

通过上面的测试可以得出,csv中的字段值为*时,表示模糊匹配而不是字符串。
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