blob: 18421d3b737fd3ebf38d1291ebb860c0198f4e4a (
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package main
import (
"bufio"
"flag"
"fmt"
"log"
"os"
"strconv"
"strings"
)
func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "Usage: line-conf-avg prob1 [prob2] [...]\n")
flag.PrintDefaults()
}
flag.Parse()
if flag.NArg() < 1 {
flag.Usage()
os.Exit(1)
}
for _, f := range flag.Args() {
file, err := os.Open(f)
if err != nil {
log.Fatal(err)
}
defer file.Close()
reader := bufio.NewReader(file)
totalconf := float64(0)
num := 0
err = nil
for err == nil {
var line string
line, err = reader.ReadString('\n')
fields := strings.Fields(line)
if len(fields) == 2 {
conf, converr := strconv.ParseFloat(fields[1], 64)
if converr != nil {
fmt.Fprintf(os.Stderr, "Error: can't convert '%s' to float (full line: %s)\n", fields[1], line)
continue
}
totalconf += conf
num += 1
}
}
avg := totalconf / float64(num)
fmt.Printf("%s: %.2f%%\n", f, avg)
}
}
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