2 files changed, 70 insertions, 2 deletions
diff --git a/src/bin/geniza-register.rs b/src/bin/geniza-register.rs
new file mode 100644
index 0000000..6962be1
--- /dev/null
+++ b/src/bin/geniza-register.rs
@@ -0,0 +1,68 @@
+
+#[macro_use]
+extern crate clap;
+
+extern crate geniza;
+
+// TODO: more careful import
+use geniza::*;
+use std::path::Path;
+
+use clap::{App, SubCommand};
+
+fn run() -> Result<()> {
+ 
+    let matches = App::new("geniza-register")
+        .version(env!("CARGO_PKG_VERSION"))
+        .subcommand(SubCommand::with_name("info")
+            .about("Reads a SLEEP dir register and shows some basic metadata")
+            .arg_from_usage("<DIR> 'directory containing files'")
+            .arg_from_usage("<prefix> 'prefix for each data file'"))
+        .subcommand(SubCommand::with_name("create")
+            .about("Creates an SLEEP directory register (with header)")
+            .arg_from_usage("<DIR> 'directory containing files'")
+            .arg_from_usage("<prefix> 'prefix for each data file'"))
+        .get_matches();
+
+
+    match matches.subcommand() {
+        ("info", Some(subm)) => {
+            let dir = Path::new(subm.value_of("DIR").unwrap());
+            let prefix = subm.value_of("prefix").unwrap();
+            let sdr = SleepDirRegister::open(dir, prefix, false)?;
+            //debug!(println!("{:?}", sdr));
+            println!("Entry count: {}", sdr.len()?);
+        },
+        ("create", Some(subm)) => {
+            let dir = Path::new(subm.value_of("DIR").unwrap());
+            let prefix = subm.value_of("prefix").unwrap();
+            SleepDirRegister::create(dir, prefix)?;
+            println!("Done!");
+        },
+        _ => {
+            println!("Missing or unimplemented command!");
+            println!("{}", matches.usage());
+            ::std::process::exit(-1);
+        },
+    }
+    Ok(())
+}
+
+// TODO: is there a shorter error_chain 'main()' to use here?
+fn main() {
+    if let Err(ref e) = run() {
+        println!("error: {}", e);
+
+        for e in e.iter().skip(1) {
+            println!("caused by: {}", e);
+        }
+
+        // The backtrace is not always generated. Try to run this example
+        // with `RUST_BACKTRACE=1`.
+        if let Some(backtrace) = e.backtrace() {
+            println!("backtrace: {:?}", backtrace);
+        }
+
+        ::std::process::exit(1);
+    }
+}
diff --git a/src/bin/geniza-sleep.rs b/src/bin/geniza-sleep.rs
index b7bb88e..5061dc9 100644
--- a/src/bin/geniza-sleep.rs
+++ b/src/bin/geniza-sleep.rs
@@ -37,7 +37,7 @@ fn run() -> Result<()> {
             println!("Magic: 0x{:X}", sf.get_magic());
             println!("Algorithm: '{}'", sf.get_algorithm().or(Some("".to_string())).unwrap());
             println!("Entry Size (bytes): {}", sf.get_entry_size());
-            println!("Entry count: {}", sf.length()?);
+            println!("Entry count: {}", sf.len()?);
         },
         ("create", Some(subm)) => {
             let path = Path::new(subm.value_of("FILE").unwrap());
@@ -57,7 +57,7 @@ fn run() -> Result<()> {
         ("read-all", Some(subm)) => {
             let path = Path::new(subm.value_of("FILE").unwrap());
             let mut sf = SleepFile::open(path, false)?;
-            for i in 0..sf.length()? {
+            for i in 0..sf.len()? {
                 println!("{}: {:?}", i, sf.read(i));
             }
         },