Introduction:
AWK is the excellent tool for processing data which is in the form of rows and columns.

Main:
Common synatx for awk pattern matching is,

awk ‘/pattern/{print}’

for ex if you wants to print lines starting with “1″ in file sample.txt:

sample.txt:
———–
1,2,3,4,5,6,7,8
11,21.23,34,55,55
21,4,35,6,7,54,45
12,4,55666,78

The awk command,
awk ‘/1/ {print}’ sample.txt

Result:
*******
1,2,3,4,5,6,7,8

Conclusion:
Hope this helps,
Happy Coding.