i have multiple text files in single directory like a.txt,b.txt and c.txt
a.txt data
2018-04-02 10:57:37 empid1 login
2018-04-03 10:57:37 empid1 login
b.txt data
2017-02-01 10:02:00 empid1 login
2018-06-03 12:47:30 empid1 login
c.txt data
2017-03-15 02:07:00 empid1 login
2020-06-03 11:50:30 empid1 login
i want grep empid1 from all txt file result should be order by timestamp in ubuntu.
result should be like
empid1 2017-02-01 10:02:00
empid1 2017-03-15 02:07:00
empid1 2018-04-02 10:57:37
empid1 2018-04-03 10:57:37
empid1 2020-06-03 11:50:30