...

rhaiexamples/02_file_operations.rhai

@@ -19,10 +19,13 @@ let file_content = "This is a test file created by Rhai script.";
 println(`Creating file: ${test_file}`);
 // First ensure the directory exists
 run_command(`mkdir -p ${test_dir}`);
-// Then create the file using a different approach
-// Use run_command with sh -c to properly handle shell features
-let write_cmd = `sh -c 'touch ${test_file} && echo "${file_content}" > ${test_file}'`;
-let write_result = run_command(write_cmd);
+// Then create the file using a simpler approach
+// First touch the file
+let touch_cmd = `touch ${test_file}`;
+run_command(touch_cmd);
+// Then write to it with a separate command
+let echo_cmd = `echo ${file_content} > ${test_file}`;
+let write_result = run_command(echo_cmd);
 println(`File creation result: ${write_result.success}`);
 
 // Wait a moment to ensure the file is created

rhaiexamples/05_directory_operations.rhai

@@ -0,0 +1,84 @@
+// 05_directory_operations.rhai
+// Demonstrates directory operations using SAL, including the new chdir function
+
+// Create a test directory structure
+let base_dir = "rhai_dir_test";
+let sub_dir = base_dir + "/tmp/test";
+
+println("Creating directory structure...");
+let base_result = mkdir(base_dir+"/subdir");
+println(`Base directory creation result: ${base_result}`);
+
+let sub_result = mkdir(sub_dir);
+println(`Subdirectory creation result: ${sub_result}`);
+
+// Create a test file in the base directory
+let base_file = base_dir + "/base_file.txt";
+let base_content = "This is a file in the base directory.";
+// First touch the file
+run_command(`touch ${base_file}`);
+// Then write to it with a separate command
+run_command(`echo ${base_content} > ${base_file}`);
+
+// Create a test file in the subdirectory
+let sub_file = sub_dir + "/sub_file.txt";
+let sub_content = "This is a file in the subdirectory.";
+// First touch the file
+run_command(`touch ${sub_file}`);
+// Then write to it with a separate command
+run_command(`echo ${sub_content} > ${sub_file}`);
+
+// Get the current working directory before changing
+let pwd_before = run_command("pwd");
+println(`Current directory before chdir: ${pwd_before.stdout.trim()}`);
+
+// Change to the base directory
+println(`Changing directory to: ${base_dir}`);
+let chdir_result = chdir(base_dir);
+println(`Directory change result: ${chdir_result}`);
+
+// Get the current working directory after changing
+let pwd_after = run_command("pwd");
+println(`Current directory after chdir: ${pwd_after.stdout.trim()}`);
+
+// List files in the current directory (which should now be the base directory)
+println("Files in the current directory:");
+let files = find_files(".", "*");
+println("Files found:");
+for file in files {
+    println(`- ${file}`);
+}
+
+// Change to the subdirectory
+println(`Changing directory to: subdir`);
+let chdir_sub_result = chdir("subdir");
+println(`Directory change result: ${chdir_sub_result}`);
+
+// Get the current working directory after changing to subdirectory
+let pwd_final = run_command("pwd");
+println(`Current directory after second chdir: ${pwd_final.stdout.trim()}`);
+
+// List files in the subdirectory
+println("Files in the subdirectory:");
+let subdir_files = find_files(".", "*");
+println("Files found:");
+for file in subdir_files {
+    println(`- ${file}`);
+}
+
+// Change back to the parent directory
+println("Changing directory back to parent...");
+let chdir_parent_result = chdir("..");
+println(`Directory change result: ${chdir_parent_result}`);
+
+// Clean up (uncomment to actually delete the files)
+// println("Cleaning up...");
+// Change back to the original directory first
+// chdir(pwd_before.stdout.trim());
+// delete(sub_file);
+// delete(base_file);
+// delete(sub_dir);
+// delete(base_dir);
+// println("Cleanup complete");
+
+"Directory operations script completed successfully!"

src/bin/herodo.rs

@@ -16,7 +16,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
                 .short("p")
                 .long("path")
                 .value_name("PATH")
-                .help("Path to directory containing Rhai scripts")
+                .help("Path to a Rhai script file or directory containing Rhai scripts")
                 .required(true)
                 .takes_value(true),
         )

src/cmd/herodo.rs

@@ -14,17 +14,17 @@ use std::process;
 ///
 /// # Arguments
 ///
-/// * `script_path` - Path to the directory containing Rhai scripts
+/// * `script_path` - Path to a Rhai script file or directory containing Rhai scripts
 ///
 /// # Returns
 ///
 /// Result indicating success or failure
 pub fn run(script_path: &str) -> Result<(), Box<dyn Error>> {
-    let script_dir = Path::new(script_path);
+    let path = Path::new(script_path);
 
-    // Check if the directory exists
-    if !script_dir.exists() || !script_dir.is_dir() {
-        eprintln!("Error: '{}' is not a valid directory", script_path);
+    // Check if the path exists
+    if !path.exists() {
+        eprintln!("Error: '{}' does not exist", script_path);
         process::exit(1);
     }
 
@@ -37,25 +37,57 @@ pub fn run(script_path: &str) -> Result<(), Box<dyn Error>> {
     // Register all SAL modules with the engine
     crate::rhai::register(&mut engine)?;
 
-    // Find all .rhai files in the directory
-    let mut script_files: Vec<PathBuf> = fs::read_dir(script_dir)?
-        .filter_map(Result::ok)
-        .filter(|entry| {
-            entry.path().is_file() &&
-            entry.path().extension().map_or(false, |ext| ext == "rhai")
-        })
-        .map(|entry| entry.path())
-        .collect();
+    // Determine if the path is a file or directory
+    let script_files: Vec<PathBuf> = if path.is_file() {
+        // Check if it's a .rhai file
+        if path.extension().map_or(false, |ext| ext == "rhai") {
+            vec![path.to_path_buf()]
+        } else {
+            eprintln!("Error: '{}' is not a Rhai script file", script_path);
+            process::exit(1);
+        }
+    } else if path.is_dir() {
+        // Find all .rhai files in the directory recursively
+        let mut files: Vec<PathBuf> = Vec::new();
+        
+        // Helper function to recursively find .rhai files
+        fn find_rhai_files(dir: &Path, files: &mut Vec<PathBuf>) -> std::io::Result<()> {
+            if dir.is_dir() {
+                for entry in fs::read_dir(dir)? {
+                    let entry = entry?;
+                    let path = entry.path();
+                    
+                    if path.is_dir() {
+                        find_rhai_files(&path, files)?;
+                    } else if path.is_file() &&
+                              path.extension().map_or(false, |ext| ext == "rhai") {
+                        files.push(path);
+                    }
+                }
+            }
+            Ok(())
+        }
+        
+        // Find all .rhai files recursively
+        find_rhai_files(path, &mut files)?;
+        
+        // Sort the script files by name
+        files.sort();
+        
+        if files.is_empty() {
+            println!("No Rhai scripts found in '{}'", script_path);
+            return Ok(());
+        }
+        
+        files
+    } else {
+        eprintln!("Error: '{}' is neither a file nor a directory", script_path);
+        process::exit(1);
+    };
 
-    // Sort the script files by name
-    script_files.sort();
-
-    if script_files.is_empty() {
-        println!("No Rhai scripts found in '{}'", script_path);
-        return Ok(());
-    }
-
-    println!("Found {} Rhai scripts to execute:", script_files.len());
+    println!("Found {} Rhai script{} to execute:",
+             script_files.len(),
+             if script_files.len() == 1 { "" } else { "s" });
     
     // Execute each script in sorted order
     for script_file in script_files {
@@ -74,7 +106,8 @@ pub fn run(script_path: &str) -> Result<(), Box<dyn Error>> {
             },
             Err(err) => {
                 eprintln!("Error executing script: {}", err);
-                // Continue with the next script instead of stopping
+                // Exit with error code when a script fails
+                process::exit(1);
             }
         }
     }

src/os/fs.rs

@@ -20,6 +20,7 @@ pub enum FsError {
     NotAFile(String),
     UnknownFileType(String),
     MetadataError(io::Error),
+    ChangeDirFailed(io::Error),
 }
 
 // Implement Display for FsError
@@ -38,6 +39,7 @@ impl fmt::Display for FsError {
             FsError::NotAFile(path) => write!(f, "Path '{}' is not a regular file", path),
             FsError::UnknownFileType(path) => write!(f, "Unknown file type at '{}'", path),
             FsError::MetadataError(e) => write!(f, "Failed to get file metadata: {}", e),
+            FsError::ChangeDirFailed(e) => write!(f, "Failed to change directory: {}", e),
         }
     }
 }
@@ -52,6 +54,7 @@ impl Error for FsError {
             FsError::CommandExecutionError(e) => Some(e),
             FsError::InvalidGlobPattern(e) => Some(e),
             FsError::MetadataError(e) => Some(e),
+            FsError::ChangeDirFailed(e) => Some(e),
             _ => None,
         }
     }
@@ -578,3 +581,41 @@ pub fn rsync(src: &str, dest: &str) -> Result<String, FsError> {
         Err(e) => Err(FsError::CommandExecutionError(e)),
     }
 }
+
+/**
+ * Change the current working directory.
+ *
+ * # Arguments
+ *
+ * * `path` - The path to change to
+ *
+ * # Returns
+ *
+ * * `Ok(String)` - A success message indicating the directory was changed
+ * * `Err(FsError)` - An error if the directory change failed
+ *
+ * # Examples
+ *
+ * ```
+ * let result = chdir("/path/to/directory")?;
+ * println!("{}", result);
+ * ```
+ */
+pub fn chdir(path: &str) -> Result<String, FsError> {
+    let path_obj = Path::new(path);
+    
+    // Check if directory exists
+    if !path_obj.exists() {
+        return Err(FsError::DirectoryNotFound(path.to_string()));
+    }
+    
+    // Check if it's a directory
+    if !path_obj.is_dir() {
+        return Err(FsError::NotADirectory(path.to_string()));
+    }
+    
+    // Change directory
+    std::env::set_current_dir(path_obj).map_err(FsError::ChangeDirFailed)?;
+    
+    Ok(format!("Successfully changed directory to '{}'", path))
+}

src/rhai/os.rs

@@ -30,6 +30,7 @@ pub fn register_os_module(engine: &mut Engine) -> Result<(), Box<EvalAltResult>>
     engine.register_fn("mkdir", mkdir);
     engine.register_fn("file_size", file_size);
     engine.register_fn("rsync", rsync);
+    engine.register_fn("chdir", chdir);
     
     // Register download functions
     engine.register_fn("download", download);
@@ -128,6 +129,13 @@ pub fn rsync(src: &str, dest: &str) -> Result<String, Box<EvalAltResult>> {
     os::rsync(src, dest).to_rhai_error()
 }
 
+/// Wrapper for os::chdir
+///
+/// Change the current working directory.
+pub fn chdir(path: &str) -> Result<String, Box<EvalAltResult>> {
+    os::chdir(path).to_rhai_error()
+}
+
 //
 // Download Function Wrappers
 //