add unzip-all command

src/main.rs

@@ -19,6 +19,7 @@ enum Commands {
     Interactive,
     Replace,
     Scan,
+    UnzipAll,
     Upload,
 }
 
@@ -878,6 +879,32 @@ fn interactive() -> AResult<()>{
     Ok(())
 }
 
+
+fn unzip_all()->AResult<()>{
+    for entry in std::fs::read_dir("maps/unprocessed")? {
+        let file_thing=entry?;
+        println!("processing map={:?}",file_thing.file_name());
+        let mut input = std::io::BufReader::new(std::fs::File::open(file_thing.path())?);
+        match maybe_gzip_decode(&mut input){
+        Ok(ReaderType::GZip(mut readable)) => {
+            //gzip
+            let mut extracted:Vec<u8>=Vec::new();
+            //read the entire thing to the end so that I can clone the data and write a png to processed images
+            readable.read_to_end(&mut extracted)?;
+            //write extracted
+            let mut dest=std::path::PathBuf::from("maps/unzipped");
+            dest.push(file_thing.file_name());
+            std::fs::write(dest, &mut extracted)?;
+            //delete ugly gzip file
+            std::fs::remove_file(file_thing.path())?;
+        },
+        Ok(ReaderType::Raw(_)) => (),
+        Err(e) => Err(e)?,
+        }
+    }
+    Ok(())
+}
+
 fn main() -> AResult<()> {
     let cli = Cli::parse();
     match cli.command {
@@ -888,6 +915,7 @@ fn main() -> AResult<()> {
         Commands::Interactive=>interactive(),
         Commands::Replace=>replace(),
         Commands::Scan=>scan(),
+        Commands::UnzipAll=>unzip_all(),
         Commands::Upload=>upload(),
     }
 }