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Re: [PATCH] maint: use consistent widths for comparison of file system c
From: |
Jim Meyering |
Subject: |
Re: [PATCH] maint: use consistent widths for comparison of file system constants |
Date: |
Thu, 22 May 2014 14:18:57 -0700 |
On Thu, May 22, 2014 at 3:26 AM, Pádraig Brady <address@hidden> wrote:
> On 05/22/2014 03:28 AM, Jim Meyering wrote:
> q> Nice. Thanks!
>> What do you think about using e.g.,
>>
>> grep -vE '^0x(....|........)$'
>>
>> instead of that latter sed invocation?
>> Then any offending hex string would be printed.
>
> Well the previous did actually print the offending hex strings (since they
> start with 0x),
> however your technique of just using an anchored grep expression is better.
> Though now, regex golf! I'm now using the following to also flag lower case
> hex,
> which also give false positives with `make src/fs-magic-compare`:
>
> grep -Ev '^0x([0-9A-F]{4}){1,2}$
>
> I'll push the attached later.
Even better! :-)
Thanks.