Updates to fix dependencies

example_scriplets

@@ -1,7 +1,41 @@
 if test -e /path/to/file
     command/alias
 end
+
 if test -e /path/to/file1; or test -e /path/to/file2
     command/alias
 end
-$HOME/.cargo/bin/eza
+
+if test -x /usr/bin/eza -o -x $HOME/.cargo/bin/eza
+    # Define eza-based commands
+    function ls
+        command eza -a --color=always --group-directories-first --icons $argv
+    end
+
+    function lr
+        command eza -al --color=always --group-directories-first --icons $argv
+    end
+
+    function ll
+        command eza -l --color=always --group-directories-first --icons $argv
+    end
+
+    function lt
+        command eza -aT --color=always --group-directories-first --icons $argv
+    end
+
+    function l.
+        command eza -ald --color=always --group-directories-first --icons .* $argv
+    end
+
+    function lf
+        command eza -aD --color=always --group-directories-first --icons $argv
+    end
+else
+    # Define dummy functions that remind user to install eza
+    for cmd in lr ll lt l. lf
+        function $cmd
+            echo "The command 'eza' is not installed. Please install 'eza' to use this: https://github.com/eza-community/eza"
+        end
+    end
+end