Proper handling of battery health

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "batlimit"
-version = "0.9.1"
+version = "0.9.2"
 edition = "2021"
 authors = ["github.com/pepa65 <pepa65@passchier.net>"]
 description = "Set battery charge limit on supported laptops on Linux with CLI"

README.md

@@ -4,7 +4,7 @@
 [![License](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
 [![Downloads](https://img.shields.io/crates/d/batlimit.svg)](https://crates.io/crates/batlimit)
 
-# batlimit 0.9.1
+# batlimit 0.9.2
 **Set battery charge limit on supported laptops on Linux with CLI**
 
 It is now widely acknowledged that the life span of Li-ion batteries is extended by not charging them to the max.
@@ -50,7 +50,7 @@ An often recommended battery charge limit is 80.
 ## Installation
 ### Download static single-binary
 ```
-wget https://github.com/pepa65/batlimit/releases/download/0.9.1/batlimit
+wget https://github.com/pepa65/batlimit/releases/download/0.9.2/batlimit
 sudo mv batlimit /usr/local/bin/
 sudo chown root:root /usr/local/bin/batlimit
 sudo chmod +x /usr/local/bin/batlimit
@@ -94,7 +94,7 @@ Install the musl binary: `cargo-binstall batlimit`
 
 ## Usage
 ```
-batlimit 0.9.1 - Set battery charge limit on supported laptops on Linux with CLI
+batlimit 0.9.2 - Set battery charge limit on supported laptops on Linux with CLI
 Usage: batlimit [COMMAND]
 Commands:
   info       Print battery info (default command)

src/main.rs

@@ -239,9 +239,18 @@ impl Battery {
 			println!("{persiststr:<pad_size$}  INCONSISTENT");
 		}
 		let healthstr = "health";
-		if info.len() > 6 {
-			// position of Current Max. Capacity and Current Design Capacity in info depends on which keys are found
-			let health = 100 * info[5].1.parse::<u32>().unwrap_or(0) / info[6].1.parse::<u32>().unwrap_or(1);
+		let mut cur = String::new();
+		let mut des = String::new();
+		for triple in &info {
+			if triple.0 == INFO[5].1 {
+				cur = triple.1.clone();
+			};
+			if triple.0 == INFO[9].1 {
+				des = triple.1.clone();
+			};
+		}
+		if !cur.is_empty() && !des.is_empty() {
+			let health = 100 * cur.parse::<u32>().unwrap_or(0) / des.parse::<u32>().unwrap_or(1);
 			println!("{healthstr:<pad_size$}  {health}%");
 		} else {
 			println!("{healthstr:<pad_size$}  NO INFO");