Update README.md

README.md

@@ -1,5 +1,7 @@
 # Kanpyo
 
+[https://docs.rs/kanpyo](https://docs.rs/kanpyo)
+
 Kanpyo is Japanese morphological analyzer written in Rust inspired by [Kagome](https://github.com/ikawaha/kagome).
 
 ## Caution
@@ -14,14 +16,14 @@ You can install `kanpyo` via `cargo`:
 cargo install kanpyo
 ```
 
-You need a dictionary to use `kanpyo` and can build a dictionary by the following.
+You need a dictionary to use `kanpyo` and can build and install a dictionary by the following.
 
 ```shell script
 cd kanpyo-dict
 cargo run --release --bin ipa-dict-builder -- 
 ```
 
-Create a dictionary file in user's config directory.
+A dictionary is installed in the following directory:
 
 - Linux
   - $HOME/.config/kanpyo/
@@ -32,18 +34,66 @@ You're ready to use `kanpyo`!
 
 ## Usage
 
+```shell script
+kanpyo --help
+Japanese Morphological Analyzer
+
+Usage: kanpyo [COMMAND]
+
+Commands:
+  tokenize  Tokenize input text
+  graphviz  Output lattice in Graphviz format
+  help      Print this message or the help of the given subcommand(s)
+
+Options:
+  -h, --help     Print help
+  -V, --version  Print version
+```
+
 ### Tokenize
 
-TODO
+#### From command line
 
-### Graphviz
+```shell script
+kanpyo tokenize "自然言語処理"            
+自然    名詞,形容動詞語幹,*,*,*,*,自然,シゼン,シゼン
+言語    名詞,一般,*,*,*,*,言語,ゲンゴ,ゲンゴ
+処理    名詞,サ変接続,*,*,*,*,処理,ショリ,ショリ
+EOS
+```
 
-TODO
+#### REPL mode
 
-### Server
+```shell script
+kanpyo
+自然言語処理
+自然    名詞,形容動詞語幹,*,*,*,*,自然,シゼン,シゼン
+言語    名詞,一般,*,*,*,*,言語,ゲンゴ,ゲンゴ
+処理    名詞,サ変接続,*,*,*,*,処理,ショリ,ショリ
+EOS
+形態素解析
+形態素  名詞,一般,*,*,*,*,形態素,ケイタイソ,ケイタイソ
+解析    名詞,サ変接続,*,*,*,*,解析,カイセキ,カイセキ
+EOS
+```
+
+#### From piped standard input
+
+```shell script
+echo "自然言語処理" | kanpyo
+自然    名詞,形容動詞語幹,*,*,*,*,自然,シゼン,シゼン
+言語    名詞,一般,*,*,*,*,言語,ゲンゴ,ゲンゴ
+処理    名詞,サ変接続,*,*,*,*,処理,ショリ,ショリ
+EOS
+```
+
+### Graphviz
 
-TODO
+Print lattice in Graphviz format for debugging.
 
+```shell script
+kanpyo graphviz "自然言語処理" | dot -Tpng -o lattice.png
+```
 
 ### TODO