init

.gitignore

@@ -0,0 +1,2 @@
+/target
+.history

Cargo.lock

@@ -0,0 +1,211 @@
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+# It is not intended for manual editing.
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+dependencies = [
+ "bzip2",
+ "crc32fast",
+ "flate2",
+ "podio",
+ "time",
+]

Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "partun"
+version = "0.1.0"
+authors = ["Johann Woelper <woelper@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+zip = "*"
+clap = "*"

src/main.rs

@@ -0,0 +1,71 @@
+use std::io;
+use std::fs;
+use clap::{Arg, App, SubCommand};
+
+fn main() {
+
+
+    let matches = App::new("My Super Program")
+    .about("Extracts zip files partially")
+    .arg(Arg::with_name("filter")
+         .short("f")
+         .long("filter")
+         .value_name("FILE")
+         .help("only extract this file")
+         .takes_value(true))
+    .arg(Arg::with_name("ZIP")
+         .help("Sets the input file to use")
+         .required(true)
+         .index(1))
+    .get_matches();
+
+    let archive = matches.value_of("ZIP").unwrap();
+    let filter = matches.value_of("filter");
+
+
+    let fname = std::path::Path::new(archive);
+    let file = fs::File::open(&fname).unwrap();
+
+    let mut archive = zip::ZipArchive::new(file).unwrap();
+
+    for i in 0..archive.len() {
+        let mut file = archive.by_index(i).unwrap();
+        let outpath = file.sanitized_name();
+
+        if let Some(f) = filter {
+            if !file.name().contains(f) {
+                continue;
+            }
+        }
+
+        {
+            let comment = file.comment();
+            if !comment.is_empty() {
+                println!("File {} comment: {}", i, comment);
+            }
+        }
+
+        if (&*file.name()).ends_with('/') {
+            println!("File {} extracted to \"{}\"", i, outpath.as_path().display());
+            fs::create_dir_all(&outpath).unwrap();
+        } else {
+            println!("File {} extracted to \"{}\" ({} bytes)", i, outpath.as_path().display(), file.size());
+            if let Some(p) = outpath.parent() {
+                if !p.exists() {
+                    fs::create_dir_all(&p).unwrap();
+                }
+            }
+            let mut outfile = fs::File::create(&outpath).unwrap();
+            io::copy(&mut file, &mut outfile).unwrap();
+        }
+
+        // Get and Set permissions
+        #[cfg(unix)]
+        {
+            use std::os::unix::fs::PermissionsExt;
+            if let Some(mode) = file.unix_mode() {
+                fs::set_permissions(&outpath, fs::Permissions::from_mode(mode)).unwrap();
+            }
+        }
+    }
+}

test.sh

@@ -0,0 +1,2 @@
+cargo build --release
+target/release/partun test.zip -f ship