(info "(coreutils) Correct/Incorrect ordering and Expected/Unexpected results") needs to "admit" or "at least mention" that "coreutils just hasn't thought about FULLWIDTH DIGITs yet." I.e., Europeans are in luck. East Asians are out of luck.
$ seq 9 11|sort 10 11 9 $ seq 9 11|sort -n 9 10 11 $ seq 9 11|sort -V 9 10 11 $ echo -e ９\\n１０\\n１１|sort １０ １１ ９ $ echo -e ９\\n１０\\n１１|sort -V １０ １１ ９ $ echo -e ９\\n１０\\n１１|sort -n １０ １１ ９ $ unicode ９ U+FF19 FULLWIDTH DIGIT NINE UTF-8: ef bc 99 UTF-16BE: ff19 Decimal: ９ Octal: \0177431 ９ Category: Nd (Number, Decimal Digit); East Asian width: F (fullwidth) Unicode block: FF00..FFEF; Halfwidth and Fullwidth Forms Numeric value: 9 Digit value: 9 Bidi: EN (European Number) Decomposition: <wide> 0039 Nope, LC_ALL=zh_TW.UTF-8 didn't help. sort (GNU coreutils) 8.32
