tlc: CLI +N argument for tlcedit/tlcview (MC parity)

Both binaries support MC-style +N positional: 'tlcedit +42 file.txt' opens at line 42. tlcview gains line support for the first time. main.rs updated for new open_file(file, start_line) signature.

local/recipes/tui/tlc/source/src/bin/tlcedit.rs

@@ -1,24 +1,30 @@
 //! tlcedit — standalone editor entry point.
 //!
 //! Opens a file in the TLC built-in editor, same as `tlc edit <file>`.
+//! Supports MC-style `+N` to open at a specific line: `tlcedit +42 file.txt`.
 
 use std::process::ExitCode;
-
-#[derive(Debug, clap::Parser)]
-#[command(name = "tlcedit", version, about = "Twilight Commander — built-in editor")]
-struct Cli {
-    /// File to edit.
-    file: String,
-
-    /// Line number to jump to on open.
-    #[arg(long, value_name = "N")]
-    line: Option<u64>,
-}
+use clap::Parser;
 
 fn main() -> ExitCode {
-    let cli = <Cli as clap::Parser>::parse();
+    let mut raw: Vec<String> = std::env::args().skip(1).collect();
+    let mut start_line: Option<u64> = None;
+    raw.retain(|a| {
+        if let Some(n) = a.strip_prefix('+') {
+            if let Ok(line) = n.parse::<u64>() {
+                start_line = Some(line);
+                return false;
+            }
+        }
+        true
+    });
 
-    match tlc::editor::open_file(&cli.file, cli.line) {
+    let mut full: Vec<String> = vec!["tlcedit".to_string()];
+    full.extend(raw);
+    let cli = Cli::parse_from(full);
+    let line = cli.line.or(start_line);
+
+    match tlc::editor::open_file(&cli.file, line) {
         Ok(()) => ExitCode::SUCCESS,
         Err(e) => {
             eprintln!("tlcedit: cannot open {file}: {e}", file = cli.file);
@@ -26,3 +32,12 @@ fn main() -> ExitCode {
         }
     }
 }
+
+#[derive(Debug, clap::Parser)]
+#[command(name = "tlcedit", version, about = "Twilight Commander — built-in editor")]
+struct Cli {
+    file: String,
+
+    #[arg(long, value_name = "N")]
+    line: Option<u64>,
+}

local/recipes/tui/tlc/source/src/bin/tlcview.rs

@@ -1,20 +1,29 @@
 //! tlcview — standalone viewer entry point.
 //!
 //! Opens a file in the TLC built-in viewer, same as `tlc view <file>`.
+//! Supports MC-style `+N` to open at a specific line: `tlcview +42 file.txt`.
 
 use std::process::ExitCode;
-
-#[derive(Debug, clap::Parser)]
-#[command(name = "tlcview", version, about = "Twilight Commander — built-in viewer")]
-struct Cli {
-    /// File to view.
-    file: String,
-}
+use clap::Parser;
 
 fn main() -> ExitCode {
-    let cli = <Cli as clap::Parser>::parse();
+    let mut raw: Vec<String> = std::env::args().skip(1).collect();
+    let mut start_line: Option<u64> = None;
+    raw.retain(|a| {
+        if let Some(n) = a.strip_prefix('+') {
+            if let Ok(line) = n.parse::<u64>() {
+                start_line = Some(line);
+                return false;
+            }
+        }
+        true
+    });
 
-    match tlc::viewer::open_file(&cli.file) {
+    let mut full: Vec<String> = vec!["tlcview".to_string()];
+    full.extend(raw);
+    let cli = Cli::parse_from(full);
+
+    match tlc::viewer::open_file(&cli.file, start_line) {
         Ok(()) => ExitCode::SUCCESS,
         Err(e) => {
             eprintln!("tlcview: cannot view {file}: {e}", file = cli.file);
@@ -22,3 +31,9 @@ fn main() -> ExitCode {
         }
     }
 }
+
+#[derive(Debug, clap::Parser)]
+#[command(name = "tlcview", version, about = "Twilight Commander — built-in viewer")]
+struct Cli {
+    file: String,
+}

local/recipes/tui/tlc/source/src/main.rs

@@ -128,7 +128,7 @@ fn run_editor(file: &str, line: Option<u64>) -> ExitCode {
 
 fn run_viewer(file: &str) -> ExitCode {
     log::info!("opening viewer for {file}");
-    match tlc::viewer::open_file(file) {
+    match tlc::viewer::open_file(file, None) {
         Ok(()) => ExitCode::SUCCESS,
         Err(e) => {
             eprintln!("tlc: cannot view {file}: {e}");