Ignore stdout from subprocess

src/main.rs

@@ -2,6 +2,7 @@ use chrono::prelude::*;
 use chrono::Duration;
 use std::io::Error;
 use std::io::{stdout, Result, StdoutLock, Write};
+use std::process::Stdio;
 use std::process::{Command, Output};
 use std::thread::sleep;
 
@@ -13,7 +14,13 @@ fn main() {
 
 /// Check if kdialog exists. If not, print message and return Err()
 fn check_deps() -> Result<()> {
-    let cmd = Command::new("sh").arg("-c").arg("kdialog").status()?;
+    let cmd = Command::new("sh")
+        .arg("-c")
+        .arg("kdialog")
+        .arg("--version")
+        .stdout(Stdio::null())
+        .stderr(Stdio::null())
+        .status()?;
     if !cmd.success() {
         println!("Could not find command 'kdialog'. Please install first, then start again");
         return Err(Error::new(