Add command handling

2 files changed, 24 insertions, 1 deletions

diff --git a/gosh b/gosh
new file mode 100755
index 0000000..c08d662
--- /dev/null
+++ b/gosh
diff --git a/main.go b/main.go
index adaab6e..82f5bbf 100644
--- a/main.go
+++ b/main.go
@@ -4,13 +4,36 @@ import (
 	"bufio"
 	"fmt"
 	"os"
+	"os/exec"
+	"path"
+	"strings"
 )
 
 func main() {
 	r := bufio.NewReader(os.Stdin)
+	paths := strings.Split(os.Getenv("PATH"), ":")
 
 	for {
+		found := false
 		cmd, _ := r.ReadString('\n')
-		fmt.Print(cmd)
+		args := strings.Split(strings.TrimSpace(cmd), " ")
+		cmd = args[0]
+
+		for i := range paths {
+			if _, err := os.Stat(path.Join(paths[i], cmd)); err == nil {
+				cmd = path.Join(paths[i], cmd)
+				found = true
+				break
+			}
+		}
+		if found {
+			c := exec.Command(cmd, args[1:]...)
+			output, err := c.CombinedOutput()
+			if err != nil {
+				fmt.Fprintln(os.Stderr, err.Error())
+				continue
+			}
+			fmt.Print(string(output))
+		}
 	}
 }