Re: [PATCH] maint: use consistent widths for comparison of file system c (original) (raw)


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From: Jim Meyering
Subject: Re: [PATCH] maint: use consistent widths for comparison of file system constants
Date: Thu, 22 May 2014 14šŸ”ž57 -0700

On Thu, May 22, 2014 at 3:26 AM, PƔdraig 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.