From ce6254df7e46d6acf44b46a193f875a523f968f2 Mon Sep 17 00:00:00 2001
From: Ward Wouts <ward@wouts.nl>
Date: Wed, 2 Jul 2025 11:17:58 +0200
Subject: [PATCH] add pattern-edit

---
 Cargo.lock  | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++---
 Cargo.toml  |  2 ++
 src/main.rs | 28 ++++++++++++++++++++++++-
 3 files changed, 86 insertions(+), 4 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index ae60d69..ff4edba 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,15 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "aho-corasick"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "anstream"
 version = "0.6.18"
@@ -154,7 +163,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cea14ef9355e3beab063703aa9dab15afd25f0667c341310c1e5274bb1d0da18"
 dependencies = [
  "libc",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -205,6 +214,12 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cd945864f07fe9f5371a27ad7b52a172b4b499999f1d97574c9fa68373937e12"
 
+[[package]]
+name = "memchr"
+version = "2.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a282da65faaf38286cf3be983213fcf1d2e2a58700e808f83f4ea9a4804bc0"
+
 [[package]]
 name = "mvw"
 version = "0.1.6"
@@ -212,6 +227,7 @@ dependencies = [
  "clap",
  "dialoguer",
  "rand",
+ "sedregex",
  "tempfile",
 ]
 
@@ -283,6 +299,35 @@ dependencies = [
  "getrandom",
 ]
 
+[[package]]
+name = "regex"
+version = "1.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b544ef1b4eac5dc2db33ea63606ae9ffcfac26c1416a2806ae0bf5f56b201191"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "809e8dc61f6de73b46c85f4c96486310fe304c434cfa43669d7b40f711150908"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
+
 [[package]]
 name = "rustix"
 version = "1.0.7"
@@ -293,7 +338,16 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
+]
+
+[[package]]
+name = "sedregex"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19411e23596093f03bbd11dc45603b6329bb4bfec77b9fd13e2b9fc9b02efe3e"
+dependencies = [
+ "regex",
 ]
 
 [[package]]
@@ -329,7 +383,7 @@ dependencies = [
  "getrandom",
  "once_cell",
  "rustix",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index e4c8cb6..6b8b197 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,9 +5,11 @@ edition = "2021"
 
 [profile.release]
 lto = "thin"
+strip = true
 
 [dependencies]
 tempfile = "3.20.0"
 dialoguer = "0.11.0"
 rand = "0.9.0"
 clap = { version = "4.5.38", features = [ "derive" ]}
+sedregex = "0.2.5"
diff --git a/src/main.rs b/src/main.rs
index aea3350..710cb69 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,12 +4,14 @@ pub use crate::dirlist::*;
 use std::env;
 use std::fs;
 use std::fs::File;
+use std::io::{BufRead, BufReader};
 use std::path::Path;
 use std::process;
 use std::process::Command;
 use tempfile::NamedTempFile;
 use dialoguer::Confirm;
 use clap::Parser;
+use sedregex::find_and_replace;
 
 const LOCK_FILE: &str = ".mvwrap";
 const SUFFIX_TMPFILE: &str = ".mvwrap";
@@ -41,6 +43,10 @@ struct Cli {
 
     #[arg(required = false)]
     files: Vec<std::path::PathBuf>,
+
+    /// Use sed pattern to batch rename
+    #[arg(short, long)]
+    pattern: Vec<String>,
 }
 
 
@@ -83,6 +89,22 @@ fn edit_temp_file(tmpfile: &String, editor_cli: &Option<String>) {
         .expect("failed to execute editor process");
 }
 
+fn pattern_edit_temp_file(tmpfile: &String, patterns: &Vec<String>) {
+    let file = File::open(&tmpfile).expect("no such file");
+    let buf = BufReader::new(file);
+    let mut lines: Vec<String> = buf.lines()
+        .map(|l| l.expect("Could not parse line"))
+        .collect();
+
+    // Modify the lines (example: convert to uppercase)
+    for line in &mut lines {
+        *line = find_and_replace(line, patterns).unwrap().to_string();
+    }
+
+    // Write the modified content back to the file
+    let _ = fs::write(&tmpfile, lines.join("\n"));
+}
+
 fn main() {
     let mut args = Cli::parse();
 
@@ -117,7 +139,11 @@ fn main() {
     if args.noop { source_list.set_noop(); source_list.set_verbose(); }
     if args.verbose { source_list.set_verbose(); }
 
-    edit_temp_file(&temp_file, &args.editor);
+    if args.pattern.is_empty() {
+        edit_temp_file(&temp_file, &args.editor);
+    } else {
+        pattern_edit_temp_file(&temp_file, &args.pattern);
+    }
 
     let mut target_list = DirList::from_file(&temp_file);