robust bash function that counts console.log's in a javascript file, options to print lines logs found on aswell

countConsoleLogsInFile.sh

#!/bin/bash

# takes in a file as argument 1
# takes in a boolean as argument 2
count_and_print_logs_in_file() {
    file=$1
    print_logs_found_on_lines=false
    if [ $# -gt 1 ]; then
        print_logs_found_on_lines=$2
    fi

    total_console_logs_found=0
    while read -r line; do
        line_number_found_on=$(echo "$line" | grep -o -E '\d+')

        console_logs_found_on_line=$(echo "$line" | grep -o console | wc -l | tr -d '[:blank:]')

        total_console_logs_found=$((total_console_logs_found + console_logs_found_on_line))

        if [ "$print_logs_found_on_lines" == true ]; then
            if [ "$console_logs_found_on_line" -gt "1" ]; then
                echo "$console_logs_found_on_line console.log's found on line $line_number_found_on"
            else
                echo "$console_logs_found_on_line console.log found on line $line_number_found_on"
            fi
        fi

    done < <(cat "$file" | awk '/console/,/log/{print NR, $0}' | grep -E console) # this approach used instead of piping this into while loop at -
    # start (which creates a subshell meaning var's you store globalling from within loop get lost) -
    # see: https://www.shellcheck.net/wiki/SC2031 for more info

    if [ "$total_console_logs_found" -gt "1" ]; then
        echo "total of $total_console_logs_found console.log's found in $file"
    else
        echo "total of $total_console_logs_found console.log found in $file"
    fi
}

# propagate arguments in shell script down into function
count_and_print_logs_in_file "$@"