Unable to correctly compare two strings in go-CodePudding

Hi I am trying to find the no. of times a digit appears in a no. using the below code. But the value of j is always 0 even if the digit appears many time in the number. I would like to know why the current comparison does not work. Is it possible to do this without converting input to integer?

package main
import "fmt"
import "bufio"
import "os"

func main (){

reader := bufio.NewReader(os.Stdin)
c,_ := reader.ReadString('\n')
d,_ := reader.ReadString('\n')


j := 0
for _,i := range(c){
    if string(i) == d{
        fmt.Printf("inside if")
        j = j 1
    }
}
fmt.Println(j)

}

CodePudding user response：

func (b *Reader) ReadString(delim byte) (string, error)

ReadString reads until the first occurrence of delim in the input, returning a string containing the data up to and including the delimiter.

So if you enter 3 for d, then d == "3\n".

You probably just need to do:

d,_ := reader.ReadString('\n')
d = d[:len(d)-1]