On Sat, Jun 18, 2016 at 2:26 AM, Duy Nguyen <pclouds@xxxxxxxxx> wrote:
> On Sat, Jun 18, 2016 at 6:17 AM, Junio C Hamano <gitster@xxxxxxxxx> wrote:
>> Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx> writes:
>>
>>> v6 fixes comments from Ramsay and Eric. Interdiff below.
>>
>> Another thing I noticed with this is that the non-ascii test breaks
>> when run under dash (but passes under bash). You need to have is_IS
>> locale on the system to see the breakage, it seems (which is why I
>> didn't see it so far).
>
> Is it a special version, maybe from debian? It works for me on gentoo.
>
>> ~/w/git/temp/t $ equery --quiet list dash
> app-shells/dash-0.5.8.2
>> ~/w/git/temp/t $ dash ./t7812-grep-icase-non-ascii.sh
> # lib-gettext: Found 'is_IS.utf8' as an is_IS UTF-8 locale
> # lib-gettext: Found 'is_IS.iso88591' as an is_IS ISO-8859-1 locale
> ok 1 - setup
> ok 2 - grep literal string, no -F
> ok 3 - grep pcre utf-8 icase
> ok 4 - grep pcre utf-8 string with "+"
> ok 5 - grep literal string, with -F
> ok 6 - grep string with regex, with -F
> ok 7 - pickaxe -i on non-ascii
> # passed all 7 test(s)
> 1..7
Can any shell wizards explain this to me? With this code
BS=\\
echo ${BS}${BS}
Debian's dash returns a single backslash while bash returns two
backslashes. Section 2.2.1 [1] does not say anything about one
backslash (hidden behind a variable!) after escaping the following one
and still eats the one after that..
[1] http://pubs.opengroup.org/onlinepubs/009604499/utilities/xcu_chap02.html
--
Duy
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