GNU bug report logs - #18987
the bourne shell printf-vs-\xHH portability trap

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Message #31 received at 18987 <at> debbugs.gnu.org (full text, mbox):

From: Jim Meyering <jim <at> meyering.net>
To: Aharon Robbins <arnold <at> skeeve.com>
Cc: 18987 <18987 <at> debbugs.gnu.org>, Norihiro Tanaka <noritnk <at> kcn.ne.jp>
Subject: Re: bug#18987: the bourne shell printf-vs-\xHH portability trap
Date: Sat, 8 Nov 2014 12:09:45 -0800

On Sat, Nov 8, 2014 at 11:46 AM,  <arnold <at> skeeve.com> wrote:
> Norihiro Tanaka <noritnk <at> kcn.ne.jp> wrote:
>
>> Thanks, but it seem that it is also unportable.  On Solaris 10 and AIX 7,
>> below.  Need Gawk for tests?
>>
>> $ awk 'BEGIN { printf "\x41" }' </dev/null
>> \x41
>
> If you use octal it should work with any awk.

Thanks, but octal would also work with printf.
My only reason to use awk was because I thought (wrongly)
that it could portably handle that use of hex constants.
The trouble was that I have a strong preference for using hex
constants in the tests.

With the updated patch I sent today, the problem is resolved.

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