From d25f467665d892252892aaf3a8b1e8c349ac8dd4 Mon Sep 17 00:00:00 2001
From: Pedro de Oliveira <falsovsky@gmail.com>
Date: Sun, 7 May 2023 20:01:12 +0100
Subject: [PATCH] First commit. WIP, just prints the mv command. Untested.

---
 .gitignore  |   3 +
 Cargo.lock  | 360 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml  |  14 ++
 src/main.rs |  69 ++++++++++
 4 files changed, 446 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 src/main.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..66242da
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+/target
+/.idea
+rmv.iml
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..6cafc0e
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,360 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "aho-corasick"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67fc08ce920c31afb70f013dcce1bfc3a3195de6a228474e45e1f145b36f8d04"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "anstream"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ca84f3628370c59db74ee214b3263d58f9aadd9b4fe7e711fd87dc452b7f163"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "is-terminal",
+ "utf8parse",
+]
+
+[[package]]
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+version = "1.0.0"
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+
+[[package]]
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+ "windows-sys",
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+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..a5bd530
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "rmv"
+version = "0.1.0"
+edition = "2021"
+authors = ["Pedro de Oliveira <falsovsky@gmail.com>"]
+license = "MIT"
+description = "rmv: Renaming made easy with regex"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+clap = { version = "4.2.7", features = ["derive"] }
+glob = "0.3.1"
+regex = "1.8.1"
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..931e92d
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,69 @@
+use clap::Parser;
+use glob::glob;
+use regex::Regex;
+use std::path::PathBuf;
+
+#[derive(Parser, Debug)]
+#[command(author, version, about)]
+struct Args {
+    /// Path to the directory where the files to be renamed are located.
+    #[arg(short = 'i', long)]
+    path: String,
+
+    /// Regular expression pattern to match against the filenames in the directory.
+    ///
+    /// The pattern should contain match groups (expressed in parentheses).
+    /// Example: "s(\d+)e(\d+).*\.(...)"
+    #[arg(short = 's', long)]
+    pattern: String,
+
+    /// Replacement pattern for the matched filenames.
+    ///
+    /// You can use `\1`, `\2`, etc. to reference the match groups in the pattern.
+    /// Example: "Season \1 Episode \2.\3"
+    #[arg(short = 'r', long)]
+    replacement: String,
+
+    /// Filename wildcard to filter the files to be renamed in the directory.
+    ///
+    /// Use `*` to match any filename. For example, "*.mkv" will match all files with the ".mkv" extension.
+    #[arg(short = 'w', long, default_value = "*")]
+    wildcard: String,
+}
+
+fn get_file_list(dir_path: &str, wildcard: &str) -> Vec<String> {
+    let pattern = format!("{}/{}", dir_path, wildcard);
+    let dir_entries: Vec<Result<PathBuf, _>> = glob(&pattern).unwrap().collect();
+    dir_entries
+        .into_iter()
+        .filter_map(|entry| entry.ok())
+        .filter(|entry: &PathBuf| entry.is_file())
+        .map(|entry| entry.file_name().unwrap().to_string_lossy().to_string())
+        .collect()
+}
+
+fn main() {
+    let args = Args::parse();
+
+    let dir_path = &args.path;
+    let pattern = &args.pattern;
+    let replacement = &args.replacement;
+    let wildcard = &args.wildcard;
+
+    let files = get_file_list(dir_path, wildcard);
+    let re = Regex::new(pattern).unwrap();
+
+    for file_name in files {
+        for captures in re.captures_iter(&file_name) {
+            let mut replaced_text = String::from(replacement);
+            for (i, capture) in captures.iter().enumerate() {
+                if let Some(capture) = capture {
+                    let capture_text = capture.as_str().to_string();
+                    let replace_key = format!("\\{}", i);
+                    replaced_text = replaced_text.replace(&replace_key, &capture_text);
+                }
+            }
+            println!("mv \"{}\" \"{}\"", file_name, replaced_text);
+        }
+    }
+}