done cat

Author: Droid-An

implement-shell-tools/cat/cat.py

@@ -0,0 +1,33 @@
+import os
+import argparse
+
+parser = argparse.ArgumentParser(
+    prog="cat",
+    description="Concatenate and print files",
+)
+
+parser.add_argument("-n",action='store_true', help="Number the output lines, starting at 1")
+parser.add_argument("-b", action='store_true', help="Number the non-blank output lines, starting at 1")
+parser.add_argument("path", nargs="+", help="The path to search")
+
+args = parser.parse_args()
+for path in args.path:
+    with open(path) as file:
+        lines = file.readlines()
+        line_num = 1
+        for line in lines:
+            lin = line.rstrip('\n')
+
+            if args.b:
+                if lin =="":
+                    print()
+                else:
+                    print(line_num, lin)
+                    line_num += 1 
+            elif args.n:
+                print(line_num, lin)
+                line_num += 1
+
+            else:
+                print(lin)
+

implement-shell-tools/wc/wc.py

@@ -1,6 +1,5 @@
 import os
 import argparse
-import sys
 
 parser = argparse.ArgumentParser(
     prog="wc",