wc formatting matches real formatting exactly.

Author: RaihanSharif

implement-shell-tools/wc/wc.py

@@ -2,6 +2,8 @@
 import sys
 import os
 
+# TODO: decompose into functions to make it more modular and reusable
+
 parser = argparse.ArgumentParser(
     prog="a simple version of wc. Takes in one or more files.",
     description="ls command line tool which can accept -l -w -c cflags")
@@ -40,20 +42,20 @@
 
                 line_count = len(lines)
                 totals["l"] += line_count
-                output_str += f"\t{line_count}"
+                output_str += f"{line_count:8}"
 
             if (args.w):
                 word_count = 0
                 for line in lines:
                     # python string.split splits on any white space
                     word_count += len(line.split())
                 totals["w"] += word_count
-                output_str += f"\t{word_count}"
+                output_str += f"{word_count:8}"
 
             if (args.c):
                 bytes = os.path.getsize(path)
                 totals["c"] += bytes
-                output_str += f"\t{bytes}"
+                output_str += f"{bytes:8}"
 
         output_str += f" {path}"
         print(output_str)
@@ -63,7 +65,7 @@
            if val != 0}
     total_str = ""
     for v in res.values():
-        total_str += f"\t{v}"
+        total_str += f"{v:8}"
 
     total_str += " total"
     print(total_str)