use crate::prelude::*; use nu_engine::WholeStreamCommand; use nu_errors::ShellError; use nu_protocol::{Signature, SyntaxShape}; pub struct Ls; #[async_trait] impl WholeStreamCommand for Ls { fn name(&self) -> &str { "ls" } fn signature(&self) -> Signature { Signature::build("ls") .optional( "path", SyntaxShape::GlobPattern, "a path to get the directory contents from", ) .switch("all", "Show hidden files", Some('a')) .switch( "long", "List all available columns for each entry", Some('l'), ) .switch( "short-names", "Only print the file names and not the path", Some('s'), ) .switch( "du", "Display the apparent directory size in place of the directory metadata size", Some('d'), ) } fn usage(&self) -> &str { "View the contents of the current or given path." } async fn run(&self, args: CommandArgs) -> Result { let name = args.call_info.name_tag.clone(); let ctrl_c = args.ctrl_c.clone(); let shell_manager = args.shell_manager.clone(); let (args, _) = args.process().await?; shell_manager.ls(args, name, ctrl_c) } fn examples(&self) -> Vec { vec![ Example { description: "List all files in the current directory", example: "ls", result: None, }, Example { description: "List all files in a subdirectory", example: "ls subdir", result: None, }, Example { description: "List all rust files", example: "ls *.rs", result: None, }, ] } } #[cfg(test)] mod tests { use super::Ls; use super::ShellError; #[test] fn examples_work_as_expected() -> Result<(), ShellError> { use crate::examples::test as test_examples; Ok(test_examples(Ls {})?) } }