$ hexdump -C out.txt | head -1 00000000 c3 a4 c2 b8 2c 20 35 35 35 2e 37 30 38 35 35 36 |...., 555.708556| $ unicode_char_name_fm_code_point.pl c3 a4 c3 a4 : U+e4: LATIN SMALL LETTER A WITH DIAERESIS $ unicode_char_name_fm_code_point.pl c2 b8 c2 b8 : U+b8: CEDILLA