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Date: Fri, 27 Jul 2012 13:30:46 -0400
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Subject: Re: egrep usage - 1.3.4
From: Kristopher Kane <kkane.list@gmail.com>
To: user@accumulo.apache.org
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I got it to work, but some interesting things.

My RHEL egrep will return for characters that exist after the match
automatically

For example:  Matching for "2009"  on "2009000000000" returns in RHEL but
does not in the shell.

To match the same in the shell I had to add \\d* for the remaining
characters.  Note the escaping of the meta character.

Is that just a Java regex standard?

-Kris

On Fri, Jul 27, 2012 at 1:20 PM, Kristopher Kane <kkane.list@gmail.com>wrote:

> The below was sent without qualification.
>
> I'm using egrep on RHEL 5 with a text file containing dates which is
> matching the way I want.  Trying to paste into the shell which didn't
> return. Still working on it as I made an initial mistake.
>
> -Kris
>
>
> On Fri, Jul 27, 2012 at 1:02 PM, Kristopher Kane <kkane.list@gmail.com>wrote:
>
>> All,
>>
>> Trying to use egrep in the shell on v1.3.4 - help says it is a java
>> format regex but what does that mean from the shell?  egrep "asdf" -c ...
>> doesn't match anything whilst grep "asdf" -c ... does.  What's required for
>> the regex argument?
>>
>> Thanks,
>>
>> -Kris
>>
>
>

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I got it to work, but some interesting things.=A0 <br><br>My RHEL egrep wil=
l return for characters that exist after the match automatically <br><br>Fo=
r example:=A0 Matching for &quot;2009&quot;=A0 on &quot;2009000000000&quot;=
 returns in RHEL but does not in the shell.=A0 <br>
<br>To match the same in the shell I had to add \\d* for the remaining char=
acters.=A0 Note the escaping of the meta character. <br><br>Is that just a =
Java regex standard? <br><br>-Kris<br><br><div class=3D"gmail_quote">On Fri=
, Jul 27, 2012 at 1:20 PM, Kristopher Kane <span dir=3D"ltr">&lt;<a href=3D=
"mailto:kkane.list@gmail.com" target=3D"_blank">kkane.list@gmail.com</a>&gt=
;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">The below was sent without qualification.=A0=
 <br><br>I&#39;m using egrep on RHEL 5 with a text file containing dates wh=
ich is matching the way I want.=A0 Trying to paste into the shell which did=
n&#39;t return. Still working on it as I made an initial mistake. <br>

<br>-Kris<div class=3D"HOEnZb"><div class=3D"h5"><br><br><div class=3D"gmai=
l_quote">On Fri, Jul 27, 2012 at 1:02 PM, Kristopher Kane <span dir=3D"ltr"=
>&lt;<a href=3D"mailto:kkane.list@gmail.com" target=3D"_blank">kkane.list@g=
mail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
All, <br><br>Trying to use egrep in the shell on v1.3.4 - help says it is a=
 java format regex but what does that mean from the shell?=A0 egrep &quot;a=
sdf&quot; -c ... doesn&#39;t match anything whilst grep &quot;asdf&quot; -c=
 ... does.=A0 What&#39;s required for the regex argument? <br>


<br>Thanks, <br><br>-Kris<br>
</blockquote></div><br>
</div></div></blockquote></div><br>

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