From 80d7f6d1a30e709fad3d3a4e6cb8673f19d080ae Mon Sep 17 00:00:00 2001
From: "Zed A. Shaw" <zed.shaw@gmail.com>
Date: Wed, 22 Oct 2025 12:37:52 -0400
Subject: [PATCH] ls is working now.

---
 ls/.gitignore |  3 +++
 ls/Makefile   |  4 ++++
 ls/go.mod     |  3 +++
 ls/main.go    | 42 ++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 52 insertions(+)
 create mode 100644 ls/.gitignore
 create mode 100644 ls/Makefile
 create mode 100644 ls/go.mod
 create mode 100644 ls/main.go

diff --git a/ls/.gitignore b/ls/.gitignore
new file mode 100644
index 0000000..c2b60aa
--- /dev/null
+++ b/ls/.gitignore
@@ -0,0 +1,3 @@
+ls
+ls.exe
+*.out
diff --git a/ls/Makefile b/ls/Makefile
new file mode 100644
index 0000000..bea7546
--- /dev/null
+++ b/ls/Makefile
@@ -0,0 +1,4 @@
+
+
+build:
+	go build .
diff --git a/ls/go.mod b/ls/go.mod
new file mode 100644
index 0000000..64056b6
--- /dev/null
+++ b/ls/go.mod
@@ -0,0 +1,3 @@
+module lcthw.dev/go/go-coreutils/ls
+
+go 1.25.3
diff --git a/ls/main.go b/ls/main.go
new file mode 100644
index 0000000..b2fee5c
--- /dev/null
+++ b/ls/main.go
@@ -0,0 +1,42 @@
+package main
+
+import (
+  "fmt"
+  "io/fs"
+  "path/filepath"
+  "flag"
+)
+
+func main() {
+	var recurse bool
+
+	flag.BoolVar(&recurse, "R", false, "recursive listing")
+	flag.Parse()
+
+	paths := flag.Args()
+
+	if len(paths) == 0 {
+		paths = append(paths, ".")
+	}
+
+	for _, what := range paths {
+		if flag.NArg() > 1 {
+			fmt.Printf("\n%s:\n", what)
+		}
+
+		filepath.WalkDir(what, func (path string, d fs.DirEntry, err error) error {
+			if path == what { return nil }
+
+			if d.IsDir() && recurse {
+				fmt.Printf("\n%s:\n", path)
+			} else if d.IsDir() {
+				fmt.Printf("%s\n", filepath.Base(path))
+				return fs.SkipDir
+			} else {
+				fmt.Printf("%s\n", filepath.Base(path))
+			}
+
+			return nil
+		})
+	}
+}