Add back the 'cd' command

Add back change directory functionality into the new parser.

1 files changed, 17 insertions, 0 deletions

diff --git a/src/main.rs b/src/main.rs
index d167d04..3c016e9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -116,6 +116,23 @@ impl Poem {
                 exit(0);
             }
 
+            if verse.verb() == "cd" {
+                let path: String;
+                if verse.clause().is_empty() {
+                    path = env!("HOME").to_string();
+                } else {
+                    path = verse.clause().first().unwrap().to_owned();
+                }
+
+                match std::env::set_current_dir(&path) {
+                    Ok(_) => continue,
+                    Err(_) => {
+                        println!("cd: unable to change into {}", path);
+                        continue;
+                    }
+                }
+            }
+
             if !verse.spellcheck(bins) {
                 *bins = prefresh(paths);
                 if !verse.spellcheck(bins) {