basic randomized default implementation

Cargo.toml

@@ -19,6 +19,7 @@ name = "pride"
 path = "src/main.rs"
 
 [dependencies]
+oorandom = '11.1.4'
 pico-args = "0.5.0"
 termion = "4.0.3"
 

man/pride.6

@@ -85,9 +85,9 @@ The transgender pride flag designed by Monica Helms in 1999.
 .Sh ENVIRONMENT
 .Bl -tag -width Ds
 .It PRIDE_DEFAULT
-A string containing the name of a flag to use as the default when no 
+A string containing the name of one or more flags to use as the default when no 
 .Ar flag
-argument is provided.
+argument is provided. If the string contains a space-separated list of flags, a random one will be selected from the list.
 .El
 .Sh EXIT STATUS
 .Bl -tag -width Ds

src/main.rs

@@ -1,5 +1,8 @@
 //!	main method module
-use std::env::var;
+use std::{
+	env::var,
+	time::UNIX_EPOCH
+};
 
 use pico_args::Arguments;
 
@@ -55,7 +58,13 @@ fn main() {
 		if let Ok(Some(subcommand)) = args.subcommand() { Some(subcommand) }
 		else if let Ok(default) = var("PRIDE_DEFAULT") {
 			if default.is_empty() { None }
-			else { Some(default) }
+			else if default.contains(' ') {
+				let split: Vec<&str> = default.split(' ').collect();
+				if let Ok(time) = UNIX_EPOCH.elapsed() {
+					let index = oorandom::Rand32::new(time.as_secs()).rand_u32();
+					Some(split[index as usize % split.len()].to_owned())
+				} else { None }
+			} else { Some(default) }
 		} else { None };
 	let variant = args.subcommand().unwrap();