added help text

path-convert/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "path-convert"
-version = "0.0.2"
+version = "0.0.3"
 edition = "2021"
 
 [dependencies]

path-convert/src/main.rs

@@ -4,11 +4,18 @@ use pico_args::Arguments;
 
 const DRIVE: &str = "/mnt/c/";
 
+const HELP:		[&str;2]	= [ "-h", "--help" ];
 const QUOTED:	[&str;2]	= [ "-q", "--quotes" ];
 
 pub fn main() {
 	let mut args = Arguments::from_env();
 
+	//	handle help flag
+	if args.contains(HELP) {
+		help_text();
+		return;
+	}
+
 	//	handle quote flag
 	let quotes: &str =
 	if args.contains(QUOTED) {
@@ -45,4 +52,19 @@ pub fn main() {
 
 }
 
+pub fn help_text() {
+	println!("path-convert v{}
+Valerie Wolfe <sleeplessval@gmail.com>
+Canonicalize and convert Unix paths for DOS programs.
+
+usage: path-convert [flags] <paths...>
+
+args:
+	<paths...>     one or more paths to convert
+
+flags:
+	-h, --help     show this help text
+	-q, --quotes   surround the output strings with quotes (-qq for double quotes)
+", env!("CARGO_PKG_VERSION"));
+}