2 files changed, 60 insertions, 0 deletions
diff --git a/src/meta/inode.rs b/src/meta/inode.rs
new file mode 100644
index 0000000..bf30273
--- /dev/null
+++ b/src/meta/inode.rs
@@ -0,0 +1,55 @@
+use crate::color::{ColoredString, Colors, Elem};
+use std::fs::Metadata;
+
+#[derive(Debug, PartialEq, Eq, Copy, Clone)]
+pub struct INode {
+    index: u64,
+}
+
+impl<'a> From<&'a Metadata> for INode {
+    #[cfg(unix)]
+    fn from(meta: &Metadata) -> Self {
+        use std::os::unix::fs::MetadataExt;
+
+        let index = meta.ino();
+
+        Self { index: index }
+    }
+
+    #[cfg(windows)]
+    fn from(_: &Metadata) -> Self {
+        panic!("Cannot get inode on Windows")
+    }
+}
+
+impl INode {
+    pub fn render(&self, colors: &Colors) -> ColoredString {
+        colors.colorize(self.index.to_string(), &Elem::SymLink)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::INode;
+    use std::env;
+    use std::io;
+    use std::path::Path;
+    use std::process::{Command, ExitStatus};
+
+    #[cfg(unix)]
+    fn cross_platform_touch(path: &Path) -> io::Result<ExitStatus> {
+        Command::new("touch").arg(&path).status()
+    }
+
+    #[test]
+    fn test_inode_no_zero() {
+        let mut file_path = env::temp_dir();
+        file_path.push("inode.tmp");
+
+        let success = cross_platform_touch(&file_path).unwrap().success();
+        assert!(success, "failed to exec touch");
+
+        let inode = INode::from(&file_path.metadata().unwrap());
+        assert_ne!(inode.index, 0);
+    }
+}
diff --git a/src/meta/mod.rs b/src/meta/mod.rs
index 69bc34f..2ecc472 100644
--- a/src/meta/mod.rs
+++ b/src/meta/mod.rs
@@ -1,6 +1,7 @@
 mod date;
 mod filetype;
 mod indicator;
+mod inode;
 mod name;
 mod owner;
 mod permissions;
@@ -13,6 +14,7 @@ mod windows_utils;
 pub use self::date::Date;
 pub use self::filetype::FileType;
 pub use self::indicator::Indicator;
+pub use self::inode::INode;
 pub use self::name::Name;
 pub use self::owner::Owner;
 pub use self::permissions::Permissions;
@@ -40,6 +42,7 @@ pub struct Meta {
     pub size: Size,
     pub symlink: SymLink,
     pub indicator: Indicator,
+    pub inode: INode,
     pub content: Option<Vec<Meta>>,
 }
 
@@ -211,8 +214,10 @@ impl Meta {
 
         let file_type = FileType::new(&metadata, &permissions);
         let name = Name::new(&path, file_type);
+        let inode = INode::from(&metadata);
 
         Ok(Self {
+            inode,
             path: path.to_path_buf(),
             symlink: SymLink::from(path.as_path()),
             size: Size::from(&metadata),