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Re: human-readable / block-size as a general utility?
From: |
Pádraig Brady |
Subject: |
Re: human-readable / block-size as a general utility? |
Date: |
Thu, 18 Aug 2011 15:57:39 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:5.0) Gecko/20110707 Thunderbird/5.0 |
On 08/18/2011 03:09 PM, Eric Blake wrote:
> On 08/18/2011 08:00 AM, Pádraig Brady wrote:
>>
>> Perhaps a printf format spec?
>> %h is available,
>
> No it's not. printf %hx prints a short int, printf %hhx prints a char as an
> int.
Oops I meant %H.
Even though a capital I discounted it as there are others used:
http://www.pixelbeat.org/programming/gcc/format_specs.html
> Meanwhile, although both the bash builtin and coreutils' printf parse these
> two formats, they actually still end up widening to int before printing;
> arguably a bug:
>
> $ printf %hhx -1
> ffffffffffffffff
> $ echo 'format(%hx,-1)' | m4
> ff
>
I'd agree that's a bug.
I also notice that neither solaris or freebsd support %h
cheers,
Pádraig.