tgpl

commit f7ea670c56c214552b33b32fd1e9a417ece843f6
parent 11bb47c11c60643eed9f8087166bb3b5efaab1e1
Author: zerous Naveen Narayanan <zerous@nocebo.space>
Date:   Fri,  1 Mar 2019 01:22:27 +0100

Add exercise 1.4 solution

Diffstat:
A
exercise-1-4.go
 | 
33
+++++++++++++++++++++++++++++++++

1 file changed, 33 insertions(+), 0 deletions(-)
diff --git a/exercise-1-4.go b/exercise-1-4.go
@@ -0,0 +1,33 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"strings"
+)
+
+func main() {
+	names := ""
+	counts := make(map[string]int)
+	for _, filename := range os.Args[1:] {
+		data, err := ioutil.ReadFile(filename)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "dup3: %v\n", err)
+			continue
+		}
+		for _, line := range strings.Split(string(data), "\n") {
+			counts[line]++
+			
+		}
+		for _, n := range counts {
+				if n > 1 {
+					names += filename
+					names += " "
+					break;
+				}
+		}
+	}
+
+	fmt.Println(names)
+}