feat: add file-forma.rs

file-format-rs/src/main.rs

@@ -0,0 +1,38 @@
+#!/usr/bin/env runrs
+
+//! ```cargo
+//! [dependencies]
+//! file-format = { version = "0.27.0", features = ["reader"] }
+//! rust_util = { version = "0.6" }
+//! ```
+
+use file_format::FileFormat;
+use rust_util::{failure_and_exit, success, warning};
+
+fn main() {
+    let filenames = std::env::args().skip(1).collect::<Vec<_>>();
+    if filenames.is_empty() {
+        failure_and_exit!("There are no filenames!")
+    }
+    for filename in &filenames {
+        let file_format = match FileFormat::from_file(filename) {
+            Ok(file_format) => file_format,
+            Err(e) => {
+                warning!("Read file: {}, failed: {}", filename, e);
+                continue;
+            }
+        };
+
+        success!("File: {}", filename);
+        println!("Name       : {}", file_format.name());
+        if let Some(short_name) = file_format.short_name() {
+            println!("Short name : {}", short_name);
+        }
+        println!("Kind       : {:?}", file_format.kind());
+        println!("Extension  : {}", file_format.extension());
+        println!("Media type : {}", file_format.media_type());
+    }
+}
+
+// @SCRIPT-SIGNATURE-V1: yk-r1.ES256.20250531T002509+08:00.MEQCIGgJxc6Zw3eTviQTWg0Q
+// fTekVUxKIE/Q6W18wlEGleeSAiBGBDCOQbwknbHIxQrb6qe+nfOydjB0ewy4T5fSQQBcBA==