Solution: parse hours log file and give report

---

examples/parse-hours-log/parse_hours_log.go

package main

import (
    "bufio"
    "fmt"
    "log"
    "os"
)

func main() {
    var err error
    if len(os.Args) != 2 {
        log.Fatal("Missing parameter: filename")
    }
    filename := os.Args[1]
    // fmt.Println(filename)

    fh, err := os.Open(filename)
    if err != nil {
        log.Fatalf("Could not open file '%v': %v", filename, err)
        os.Exit(1)
    }
    reader := bufio.NewReader(fh)
    for {
        line, err := reader.ReadString('\n')
        if err != nil {
            log.Fatal("Error while reading line")
        }
        fmt.Print(line)
        if line == "" {
            break
        }
    }
}