prevent duplicate output for -I | --head

rs · Sep 6, 2018 · b7dad50 · b7dad50
1 parent c60bbf8
commit b7dad50
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/main.go b/main.go
@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"os"
 	"os/exec"
 	"strings"
@@ -98,6 +99,9 @@ func main() {
 		Verbose: verbose,
 		Post:    input,
 	}
+	if (opts.Has("I") || opts.Has("head")) && terminal.IsTerminal(1) {
+		cmd.Stdout = ioutil.Discard
+	}
 	status := 0
 	if err := cmd.Run(); err != nil {
 		switch err := err.(type) {