executeScript function

cmd/utils.go

@@ -13,6 +13,7 @@ import (
 	"strconv"
 	"strings"
 	"io/ioutil"
+	"github.com/google/shlex"
 	"github.com/c2h5oh/datasize"
 )
 
@@ -216,6 +217,39 @@ func executeCommandInJail(jail *Jail, cmdline string) (string, error) {
 	return string(out), err
 }
 
+
+/********************************************************************************
+ * Execute a script, or shell command. Need to double escape special characters
+ * Ex.: executeScript("echo '\\\\_o\\< \\~ COINCOIN' > /tmp/coincoin.txt")
+ *******************************************************************************/
+func executeScript(script string) (string, error) {
+	var cmd []string
+	var out []byte
+	var err error
+
+	if gUseSudo {
+		cmd = append(cmd, "sudo")
+	}
+	
+	cmd = append(cmd, []string{"/bin/sh", "-c"}...)
+	
+	s, err := shlex.Split(script)
+	if err != nil {
+		return "", err
+	}
+	cmd = append(cmd, strings.Join(s, " "))
+
+	//fmt.Printf("DEBUG: Prepare to execute %v\n", cmd)
+	
+	if len(cmd) > 1 {
+		out, err = exec.Command(cmd[0], cmd[1:]...).CombinedOutput()
+	} else {
+		out, err = exec.Command(cmd[0]).CombinedOutput()
+	}
+
+	return string(out), err
+}
+
 /*****************************************************************************
 *
 * ZFS datasets/pools operations