Initial Commit.

src/fs.rs

@@ -0,0 +1,16 @@
+use std::path::{Path, PathBuf};
+
+pub fn expand_files<P: AsRef<Path>>(path: P) -> anyhow::Result<Vec<PathBuf>> {
+    let path = path.as_ref();
+
+    if path.is_file() {
+        return Ok(vec![path.to_path_buf()]);
+    }
+
+    Ok(std::fs::read_dir(path)?
+        .filter_map(|entry| {
+            let path = entry.ok()?.path();
+            if path.is_file() { Some(path) } else { None }
+        })
+        .collect())
+}