GNU bug report logs - #20751
wc -m doesn't count UTF-8 characters properly

Previous Next

Full log

Message #18 received at control <at> debbugs.gnu.org (full text, mbox):

From: Pádraig Brady <P <at> draigBrady.com>
To: valdis.vitolins <at> odo.lv, 20751 <at> debbugs.gnu.org
Subject: Re: bug#20751: wc -m doesn't count UTF-8 characters properly
Date: Sat, 06 Jun 2015 22:43:28 +0100

tag 20751 notabug
close 20751
stop

On 06/06/15 19:49, Valdis Vītoliņš wrote:
>>> Version: wc (GNU coreutils) 8.21
>>>
>>> When 'wc -m' is invoked, it should print character count, but it counts
>>> incorrectly UTF-8 encoded characters. Attached files have 3, 4 an 6
>>> bytes in them, but all have only two UTF-8 encoded characters, which you
>>> can see with any modern text editor. 
>>>
>>> wc -c chows correct number of bytes:
>>> wc -c *
>>>  3 3bytes.txt
>>>  4 4bytes.txt
>>>  6 6bytes.txt
>>> 13 total
>>>
>>> But wc -m shows incorrect number of characters:
>>> wc -m *
>>>  3 3bytes.txt
>>>  3 4bytes.txt
>>>  3 6bytes.txt
>>>  9 total
>>>
>>> But should be:
>>> wc -m *
>>>  2 3bytes.txt
>>>  2 4bytes.txt
>>>  2 6bytes.txt
>>>  6 total

I think it's working correctly.
I.E. the \n is included in the count.

thanks,
Pádraig.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.