Fix clippy warnings

src/command.rs

@@ -55,7 +55,7 @@ fn run_inner(app: &mut App) -> Result<CommandResult> {
     let mut stdin = child.stdin.take().context("Could not take stdin")?;
     let text_orig_clone = app.text_orig.clone();
     std::thread::spawn(move || {
-        let _ = stdin.write_all(text_orig_clone.as_bytes());
+        let _result = stdin.write_all(text_orig_clone.as_bytes());
     });
 
     // Collect the output

src/main.rs

@@ -63,7 +63,7 @@ impl App {
         let cmdline_position = 0;
 
         match template {
-            Template::Generic(_) => Self {
+            Template::Awk | Template::Generic(_) => Self {
                 cmdline: String::new(),
                 cmdline_position,
                 text_orig,
@@ -82,8 +82,8 @@ impl App {
                 hidden_options: vec!["-C"],
             },
             Template::Grep | Template::Rg => Self {
-                cmdline: String::from("'^'"),
-                cmdline_position: 2,
+                cmdline: String::from("''"),
+                cmdline_position: 1,
                 text_orig,
                 command_result: CommandResult::default(),
                 autorun: true,
@@ -99,15 +99,6 @@ impl App {
                 command,
                 hidden_options: vec![],
             },
-            Template::Awk => Self {
-                cmdline: String::new(),
-                cmdline_position,
-                text_orig,
-                command_result: CommandResult::default(),
-                autorun: true,
-                command,
-                hidden_options: vec![],
-            },
             Template::Perl => Self {
                 cmdline: String::from("-p -e 's///'"),
                 cmdline_position: 10_u16,
@@ -132,7 +123,8 @@ pub enum Template {
 }
 
 impl Template {
-    pub fn from(s: String) -> Self {
+    #[must_use]
+    pub fn from(s: &str) -> Self {
         match s.to_lowercase().trim() {
             "jq" => Self::Jq,
             "grep" => Self::Grep,
@@ -144,15 +136,16 @@ impl Template {
         }
     }
 
+    #[must_use]
     pub fn command(&self) -> String {
         match self {
-            Template::Generic(c) => c.to_string(),
-            Template::Jq => String::from("jq"),
-            Template::Grep => String::from("grep"),
-            Template::Rg => String::from("rg"),
-            Template::Sed => String::from("sed"),
-            Template::Awk => String::from("awk"),
-            Template::Perl => String::from("perl"),
+            Self::Generic(c) => c.to_string(),
+            Self::Jq => String::from("jq"),
+            Self::Grep => String::from("grep"),
+            Self::Rg => String::from("rg"),
+            Self::Sed => String::from("sed"),
+            Self::Awk => String::from("awk"),
+            Self::Perl => String::from("perl"),
         }
     }
 }
@@ -185,7 +178,7 @@ fn main() -> Result<()> {
     let text_orig = io::read_to_string(io::stdin())?;
 
     // Run the actual application
-    let app = App::from_template(text_orig, &Template::from(arg));
+    let app = App::from_template(text_orig, &Template::from(&arg));
     let res = run_app(&mut terminal, app);
 
     // Restore terminal