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fix case of shorter length of inputString (#506)

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当读取的inputString的长度小于5时，string([]byte(string))会出现bug
This commit is contained in:
blurty
2018-06-12 21:05:58 +08:00
committed by 无闻
parent 664624de09
commit ea414dbb85
1 changed files with 8 additions and 1 deletions
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9
eBook/exercises/chapter_12/remove_3till5char.go
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@@ -15,6 +15,7 @@ func main() {
defer outputFile.Close()
inputReader := bufio.NewReader(inputFile)
outputWriter := bufio.NewWriter(outputFile)
var outputString string
for {
// inputString, readerError := inputReader.ReadString('\n')
inputString, _, readerError := inputReader.ReadLine()
@@ -23,7 +24,13 @@ func main() {
break
}
//fmt.Printf("The input was: --%s--", inputString)
outputString := string([]byte(inputString)[2:5]) + "\r\n"
if len(inputString) < 3 {
outputString = "\r\n"
} else if len(inputString) < 5 {
outputString = string([]byte(inputString)[2:len(inputString)]) + "\r\n"
} else {
outputString = string([]byte(inputString)[2:5]) + "\r\n"
}
//fmt.Printf("The output was: --%s--", outputString)
_, err := outputWriter.WriteString(outputString)
//fmt.Printf("Number of bytes written %d\n", n)