neues Projekt angefangen
Signed-off-by: Stephan Richter <s.richter@srsoftware.de>
This commit is contained in:
2
.gitignore
vendored
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.gitignore
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/target
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*~
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Cargo.lock
generated
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Cargo.lock
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "date_renamer"
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version = "0.1.0"
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Cargo.toml
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Cargo.toml
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[package]
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name = "date_renamer"
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version = "0.1.0"
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edition = "2021"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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68
src/main.rs
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src/main.rs
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//! # date_renamer
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//! Kleines Programm, dass hilft Datumsangaben aus Dateinamen an den Anfang des Dateinamens zu bringen.
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//! Beispiel:
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//!
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//! | Dateiname vor Umbenennung | Dateiname nach Umbenennung |
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//! |---------------------------|----------------------------|
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//! | irgend_eine_datei_dat20231231_test.pdf | 20231231_irgend_eine_datei_test.pdf |
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//!
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//! ## Verwendung
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//! Das binary wird mit dem Pfad zu einem Ordner aufgerufen, z.B. DateRenamer _/home/srichter/Test-Ordner_.
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//! Dieser Ordner wird dann (nicht-rekursiv) nach Dateien durchsucht und diese ggf. umbenannt.
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use std::env;
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use std::path::Path;
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use std::path::PathBuf;
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use std::fs;
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/// Informationen zur Programm-Funktion
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fn usage(command: &String) {
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println!("Usage: {} <dir>",command);
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}
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/// Einsprung für die Verarbeitung des angegebenen Verzeichnisses
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fn process_dir(directory: &String) {
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let path = Path::new(directory);
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assert!(env::set_current_dir(&path).is_ok());
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let entries = fs::read_dir(".").unwrap();
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println!("contents of {}:",path.display());
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for entry in entries {
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let path = entry.unwrap().path();
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if path.is_file() {
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process_file(&path);
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}
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}
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}
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/// Verarbeitung einer einzelnen Datei im Verzeichnis
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fn process_file(file: &PathBuf){
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let name = file.file_name().unwrap().to_str().unwrap();
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let mut vec = Vec::new();
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for part in name.split("_"){
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match part.get(..3) {
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Some("dat") => vec.insert(0,part.get(3..).unwrap()),
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_ => vec.push(part),
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}
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}
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let new_name = vec.join("_");
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println!("- {} → {}",name,new_name);
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let _ = fs::rename(name,new_name);
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}
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/// Einsprungpunkt.
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/// * Prüft, on ein Parameter (Verzeichnis) angegeben wurde
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/// * ruft dann entsprechend _usage_ oder _process_dir_ auf.
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fn main() {
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let args: Vec<String> = env::args().collect();
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let command = &args[0];
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if args.len() != 2 {
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return usage(command);
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}
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let dir = &args[1];
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println!("Started {} on {}",command,dir);
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process_dir(dir);
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}
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