Rename examples/pattern -> examples/glob

1 files changed, 52 insertions, 0 deletions

diff --git a/examples/glob/src/main.rs b/examples/glob/src/main.rs
new file mode 100644
index 0000000..f88f1ed
--- /dev/null
+++ b/examples/glob/src/main.rs
@@ -0,0 +1,52 @@
+extern crate glob;
+extern crate config;
+
+use std::path::Path;
+use std::collections::HashMap;
+use config::*;
+use glob::glob;
+
+fn main() {
+    // Option 1
+    // --------
+    // Gather all conf files from conf/ manually
+    let mut settings = Config::default();
+    settings
+        // File::with_name(..) is shorthand for File::from(Path::new(..))
+        .merge(File::with_name("conf/00-default.toml")).unwrap()
+        .merge(File::from(Path::new("conf/05-some.yml"))).unwrap()
+        .merge(File::from(Path::new("conf/99-extra.json"))).unwrap();
+
+    // Print out our settings (as a HashMap)
+    println!("\n{:?} \n\n-----------",
+             settings.deserialize::<HashMap<String, String>>().unwrap());
+
+    // Option 2
+    // --------
+    // Gather all conf files from conf/ manually, but put in 1 merge call.
+    let mut settings = Config::default();
+    settings
+        .merge(vec![File::with_name("conf/00-default.toml"),
+                    File::from(Path::new("conf/05-some.yml")),
+                    File::from(Path::new("conf/99-extra.json"))])
+        .unwrap();
+
+    // Print out our settings (as a HashMap)
+    println!("\n{:?} \n\n-----------",
+             settings.deserialize::<HashMap<String, String>>().unwrap());
+
+    // Option 3
+    // --------
+    // Gather all conf files from conf/ using glob and put in 1 merge call.
+    let mut settings = Config::default();
+    settings
+        .merge(glob("conf/*")
+                   .unwrap()
+                   .map(|path| File::from(path.unwrap()))
+                   .collect::<Vec<_>>())
+        .unwrap();
+
+    // Print out our settings (as a HashMap)
+    println!("\n{:?} \n\n-----------",
+             settings.deserialize::<HashMap<String, String>>().unwrap());
+}