add cli util, bump version to publish to crates

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "julid-rs"
-version = "1.6.180"
+version = "1.6.1803"
 authors = ["Joe Ardent <code@ardent.nebcorp.com>"]
 edition = "2021"
 keywords = ["ulid", "library", "sqlite", "extension", "julid"]
@@ -26,14 +26,19 @@ crate-type = ["cdylib", "rlib"]
 
 [dependencies]
 rand = "0.8"
+
+# for the CLI
+clap = { version = "4.3", default-features = false, features = ["help", "usage", "std", "derive"] }
+
 # all other deps are optional
 chrono = { version = "0.4", optional = true, default-features = false, features = ["std", "time"] }
 serde = { version = "1.0", features = ["derive"], optional = true }
 sqlx = { version = "0.7", features = ["sqlite"], default-features = false, optional = true }
 sqlite-loadable = { version = "0.0.5", optional = true }
 
-[dev-dependencies]
-clap = { version = "4.3", default-features = false, features = ["help", "usage", "std", "derive"] }
+[[bin]]
+name = "julid-gen"
+path = "src/bin/gen.rs"
 
 [package.metadata.docs.rs]
 all-features = true

README.md

@@ -140,6 +140,12 @@ where the wildcards get bound in a loop with unique values and the Julid `id` fi
 generated by the extension for each row, I get over 100,000 insertions/second when using a
 file-backed DB in WAL mode and `NORMAL` durability settings.
 
+### Safety
+There is one `unsafe fn` in this project, `sqlite_julid_init()`, and it is only built for the
+`plugin` feature. The reason for it is that it's interacting with foreign code (SQLite itself) via
+the C interface, which is inherently unsafe. If you are not building the plugin, there is no
+`unsafe` code.
+
 ## Inside a Rust program
 
 Of course, you can also use it outside of a database; the `Julid` type is publicly exported. There's
@@ -191,11 +197,37 @@ inside your Rust application, especially if you're *also* loading it as an exten
 your application. You'll get a long and confusing runtime panic due to there being multiple
 entrypoints defined with the same name.
 
-### Safety
-There is one `unsafe fn` in this project, `sqlite_julid_init()`, and it is only built for the
-`plugin` feature. The reason for it is that it's interacting with foreign code (SQLite itself) via
-the C interface, which is inherently unsafe. If you are not building the plugin, there is no
-`unsafe` code.
+## On the command line
+
+An even simpler program than the benchmark called `julid-gen` is available to install via cargo:
+
+`cargo install julid-rs --no-default-features`
+
+And then using it is as simple as,
+
+``` text
+$ julid-gen -h
+Generate and print Julids
+
+Usage: julid-gen [NUM]
+
+Arguments:
+  [NUM]  Number of Julids to generate [default: 1]
+
+Options:
+  -h, --help     Print help
+  -V, --version  Print version
+  
+$ julid-gen
+01H9DYRVDX0001X0RE5Y7XFGBC
+
+$ julid-gen 5
+01H9DYT48E000EK2EH7P67N8GG
+01H9DYT48E000ZBKXVZ91HEZX4
+01H9DYT48E0012VX89PYX4HDKP
+01H9DYT48E001GE29AWCH1RDCM
+01H9DYT48E0028CDHNVC59KKHQ
+```
 
 # Thanks
 

VERSION

@@ -1 +1 @@
-1.6180
+1.61803

src/bin/gen.rs

@@ -0,0 +1,18 @@
+use clap::Parser;
+use julid::Julid;
+
+#[derive(Debug, Parser)]
+#[command(author, version = "1.61803", about = "Generate and print Julids")]
+struct Cli {
+    #[clap(help = "Number of Julids to generate", default_value_t = 1)]
+    pub num: usize,
+}
+
+fn main() {
+    let cli = Cli::parse();
+    let num = cli.num;
+
+    for _ in 0..num {
+        println!("{}", Julid::new());
+    }
+}