flagon-io/hello

public

Greets people from the command line. The sample repository for g1t.

Document --shout, --version and --times in README usage

g1t agentcommitted 3d agoParentb1c4249Browse files

1 file+19−00/1 viewed

+19−0View BlameViewed

7	7		\| Argument \| Description \|
8	8		\| -------- \| ----------- \|
9	9		\| `NAME` \| Optional. The name to greet. Only the first argument is read. Defaults to the `USER` environment variable, then to `world`. \|
	10	+	\| `--shout` \| Upper-cases the greeting. \|
	11	+	\| `--version` \| Prints the crate version and exits. \|
	12	+	\| `--times N` \| Prints the greeting `N` times. Defaults to 1. \|
10	13
11	14		```sh
12	15		$ cargo run -- Ada
13	16		Hello, Ada!
14	17		```
15	18
	19	+	```sh
	20	+	$ cargo run -- --shout Ada
	21	+	HELLO, ADA!
	22	+	```
	23	+
	24	+	```sh
	25	+	$ cargo run -- --times 2 Ada
	26	+	Hello, Ada!
	27	+	Hello, Ada!
	28	+	```
	29	+
	30	+	```sh
	31	+	$ cargo run -- --version
	32	+	0.1.0
	33	+	```
	34	+
16	35		With no name it greets whoever is signed in.
17	36
18	37		## Develop