Don't error on dir read errors

Previously, if a directory could not be read, dwvsh would panic.
Instead of panicking, dwvsh should continue processing the other
directories on the $PATH.

1 files changed, 5 insertions, 11 deletions

diff --git a/src/path.rs b/src/path.rs
index 412489b..2953982 100644
--- a/src/path.rs
+++ b/src/path.rs
@@ -7,7 +7,7 @@ use std::path::Path;
 /// specified.
 ///
 /// # Arguments
-/// * `paths` - A reference to a vector that holds a list to the shell $PATHs
+/// * `path` - A reference to a vector that holds a list to the shell $PATHs
 ///
 /// # Returns
 /// * `bins: Vec<String>` - A new cache of all valid file paths in $PATH
@@ -16,25 +16,19 @@ use std::path::Path;
 /// ```
 /// let path = vec!["/bin"];
 /// let path = path.into_iter().map(Path::new).collect();
-/// let mut bins = prefresh(&path);
 /// let mut bins = path::refresh(&path);
 /// ...
 /// // A situation occurs where the $PATH needs to be refreshed
-/// bins = prefresh(&path)
 /// bins = path::refresh(&path)
 /// ```
-pub fn prefresh(path: &Vec<&Path>) -> Vec<String> {
 pub fn refresh(path: &Vec<&Path>) -> Vec<String> {
     let mut bins: Vec<String> = Vec::new();
 
     for p in path {
-        let files = fs::read_dir(p).expect(
-            format!(
-                "dwvsh: error: unable to read the contents of {}",
-                p.display().to_string()
-            )
-            .as_str(),
-        );
+        let files = match fs::read_dir(p) {
+            Ok(files) => files,
+            Err(_) => continue,
+        };
 
         for file in files {
             bins.push(file.unwrap().path().display().to_string());