basic (wc)

Author: aiahibrahim

implement-shell-tools/wc/wc.py

@@ -0,0 +1,25 @@
+import argparse
+
+def count_file(filename):
+    try:
+        with open(filename, "r", encoding="utf-8") as f:
+            content = f.read()
+            lines = content.count("\n")
+            words = len(content.split())
+            bytes_ = len(content.encode("utf-8"))
+            return lines, words, bytes_
+    except FileNotFoundError:
+        print(f"wc: {filename}: No such file or directory")
+        return 0, 0, 0
+
+def main():
+    parser = argparse.ArgumentParser(description="Python version of wc")
+    parser.add_argument("files", nargs="+", help="Files to count")
+    args = parser.parse_args()
+
+    for filename in args.files:
+        lines, words, bytes_ = count_file(filename)
+        print(f"{lines:7} {words:7} {bytes_:7} {filename}")
+
+if __name__ == "__main__":
+    main()