read from file or stdin, add readme

2020-05-08 08:21:19 +08:00
parent 4b6c5119b1
commit 57bc12a692
3 changed files with 89 additions and 4 deletions
--- a/README.md
+++ b/README.md
@@ -1,3 +1,39 @@
 # grassmudhorse.rs

-Grass Mud Horse in Rust
+Grass Mud Horse in Rust
+
+help:
+```shell
+$ ./target/debug/grassmudhorse -h
+grassmudhorse.rs v0.1
+```
+
+execute from file:
+```shell
+$ ./target/debug/grassmudhorse print-110.gmh 
+1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+```
+
+execute from stdin:
+```shell
+$ cat print-110.gmh | ./target/debug/grassmudhorse
+1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+```