a.k.a. SJIS, MS-Kanji
-=item CP932
+=item Windows-31J
-a.k.a. Windows-31J
+a.k.a. CP932
=item UTF-8
B<Note> --overwrite preserves timestamps of original files.
-=item B<--guess>
+=item B<--guess=[12]>
-Print guessed encoding.
+Print guessed encoding and newline. (2 is default, 1 is only encoding)
=item B<--help>