awk match a filed starting from A code example

Example 1: awk print lines when match is found with specific field

# Basic awk syntax:
awk 'condition { print $0 }' input_file

# Example usage:
awk '$2 == "string_to_match" { print $0 }' input_file
# This prints the entire line ($0) when field 2 ($2) is equal to the
# string "string_to_match"

Example 2: awk match start character

if ( $1 ~ /^#/ ) ...