orig_downloads/compare_headers.sh

#!/bin/bash

buoy_number="42002"

input_file="${buoy_number}_XXXX.txt"

for value in {1980..2022}
do
    #echo "${url//XXXX/"$value"}"  
    line=$(head -n 1 ${input_file/XXXX/$value}) 
    line_count=$(wc -l ${input_file/XXXX/$value})
    echo "$value  $line_count  $line"
done

echo "$buoy_number"