Update nn

drop termios dep

bin/nn

@@ -6,8 +6,6 @@ import re
 import shutil
 import subprocess
 import sys
-import termios
-import tty
 from datetime import datetime
 from pathlib import Path
 
@@ -293,24 +291,18 @@ def apply_renames(plan):
     return count
 
 
-def confirm(prompt='Apply renames? [y/n] '):
-    """Ask the user for confirmation, reacting to a single keypress."""
-    print(prompt, end='', flush=True)
-    if not sys.stdin.isatty():
-        return sys.stdin.read(1).strip().lower() == 'y'
-
-    fd = sys.stdin.fileno()
-    old_settings = termios.tcgetattr(fd)
-    try:
-        # cbreak (not raw) keeps Ctrl-C as SIGINT and newlines well behaved.
-        tty.setcbreak(fd)
-        while (key := sys.stdin.read(1).lower()) not in ('y', 'n', ''):
-            pass
-    finally:
-        termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
-
-    print(key)
-    return key == 'y'
+def confirm(prompt='Apply renames? [Y/n] '):
+    """Ask the user for confirmation. An empty answer accepts the default (yes)."""
+    while True:
+        try:
+            answer = input(prompt).strip().lower()
+        except EOFError:
+            print()
+            return True
+        if answer in ('', 'y', 'yes'):
+            return True
+        if answer in ('n', 'no'):
+            return False
 
 
 def main():