diff --git a/main.py b/main.py
index 0f5ca83..2e2a26d 100644
--- a/main.py
+++ b/main.py
@@ -1,16 +1,26 @@
 import os
 import subprocess
+import re
 
 initDirectory = os.path.dirname(os.path.realpath(__file__)) 
 currentDirectory = initDirectory
 version = "0.0.1"
 
+def grabArgument(fullCommand, commandRan):
+    fullCommand.replace(commandRan, "")
+
 while True:
     command = input(currentDirectory + " > ")
     if command == "pwd":
         print(currentDirectory)
-    elif command == "cat *":
-        print("You ran cat")
+    elif command == ("cat"):
+        try:
+            
+            catFile = input("File to catalog: ")
+            catFileOpened = open(catFile)
+            print(catFileOpened.read())
+        except Exception:
+            print("File", catFile, "either doesn't exist or isn't in this directory.")
     elif command == "version":
         print(version)
     else:
diff --git a/main.py! b/main.py!
new file mode 100644
index 0000000..a81093d
--- /dev/null
+++ b/main.py!
@@ -0,0 +1,20 @@
+import os
+import subprocess
+
+initDirectory = os.path.dirname(os.path.realpath(__file__)) 
+currentDirectory = initDirectory
+version = "0.0.1"
+
+def grabArgument(fullCommand, commandRan):
+    fullCommand.replace(commandRan, "")
+
+while True:
+    command = input(currentDirectory + " > ")
+    if command == "pwd":
+        print(currentDirectory)
+    elif command == ("cat", *):
+        grabArgument(command, cat )
+    elif command == "version":
+        print(version)
+    else:
+        subprocess.run(command)