53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
// Copyright © 2018 Inanc Gumus
|
|
// Learn Go Programming Course
|
|
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
|
|
//
|
|
// For more tutorials : https://learngoprogramming.com
|
|
// In-person training : https://www.linkedin.com/in/inancgumus/
|
|
// Follow me on twitter: https://twitter.com/inancgumus
|
|
|
|
package main
|
|
|
|
import (
|
|
"bufio"
|
|
"fmt"
|
|
"os"
|
|
"sort"
|
|
"strings"
|
|
)
|
|
|
|
func main() {
|
|
p := newParser()
|
|
|
|
in := bufio.NewScanner(os.Stdin)
|
|
for in.Scan() {
|
|
parsed := parse(p, in.Text())
|
|
update(p, parsed)
|
|
}
|
|
|
|
summarize(p)
|
|
dumpErrs([]error{in.Err(), err(p)})
|
|
}
|
|
|
|
// summarize summarizes and prints the parsing result
|
|
func summarize(p *parser) {
|
|
sort.Strings(p.domains)
|
|
|
|
fmt.Printf("%-30s %10s\n", "DOMAIN", "VISITS")
|
|
fmt.Println(strings.Repeat("-", 45))
|
|
|
|
for _, domain := range p.domains {
|
|
fmt.Printf("%-30s %10d\n", domain, p.sum[domain].visits)
|
|
}
|
|
fmt.Printf("\n%-30s %10d\n", "TOTAL", p.total)
|
|
}
|
|
|
|
// dumpErrs simplifies handling multiple errors
|
|
func dumpErrs(errs []error) {
|
|
for _, err := range errs {
|
|
if err != nil {
|
|
fmt.Println("> Err:", err)
|
|
}
|
|
}
|
|
}
|