kyclark#5 joy.y

Author: joy

05_howler/howler.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+"""
+Author : NowHappy <rlfmalehd@gmail.com>
+Date   : 2021-10-02
+Purpose: Rock the Casbah
+"""
+
+import argparse
+import os
+
+
+# --------------------------------------------------
+def get_args():
+    """Get command-line arguments"""
+
+    parser = argparse.ArgumentParser(
+        description='howler (upper-cases input)',
+        formatter_class=argparse.ArgumentDefaultsHelpFormatter)
+
+    parser.add_argument('input',
+                        metavar='text',
+                        help='Input string or file')
+
+    parser.add_argument('-o',
+                        '--outfile',
+                        help='Output filename',
+                        metavar='str',
+                        type=argparse.FileType('wt'),
+                        default=None)
+
+    return parser.parse_args()
+
+
+# --------------------------------------------------
+def main():
+    """Make a jazz noise here"""
+
+    args = get_args()
+    str_args = args.input
+    outfile_args = args.outfile
+
+    if os.path.isfile(args.input):
+        str_args = open(str_args).read()
+
+    print(f'{str_args.upper()}', file=outfile_args) if outfile_args else print(f'{str_args.upper()}')
+
+
+# --------------------------------------------------
+if __name__ == '__main__':
+    main()

inputs/out.txt

@@ -1,2 +1 @@
-this is some text
-this is some more text
+test222