add pattern-edit

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);