Exercise 2

Find number of events in the catalog file collect.out using only grep and wc commands. Notice that lines with 1 in column 80 are event lines.
Find number of phases recorded by station FIR
Find number of Pn phases recorded by station FIR
Find number of Pn phases recorded by component SZ of station FIR

Find number of events in the catalog file collect.out using only grep and wc commands. Notice that lines with 1 in column 80 are event lines.