[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[no subject]



Thanks, Geoff.

V/r

Bob

-----Original Message-----
From: Geoffrey <esoteric at 3times25.net>
To: ale at ale.org
Sent: Oct 11, 2005 11:37 AM
To: Atlanta Linux Enthusiasts <ale at ale.org>
Subject: Re: [ale] Bash script question

Bob Kruger wrote:
> All;
> 
> I need to parse some simple text files.  I would like to do this in
> the BASH shell and not have to invoke Perl, AWK, etc.  I did the same
> a couple of years ago, but lost the code.
> 
> If I have a text file that has, for example, 6 lines, and I want to
> parse field in the 4th line, what can I run from the BASH shell to
> print out only the 4th line?

sed -n '4p' text_file

tail -4 text_file|line

head  -n4 text_file|tail -1

awk '{if (NR == 4) {print; exit}}' text_file

-- 
Until later, Geoffrey
_______________________________________________
Ale mailing list
Ale at ale.org
<a  rel="nofollow" href="http://www.ale.org/mailman/listinfo/ale";>http://www.ale.org/mailman/listinfo/ale</a>





</pre>
<!--X-Body-of-Message-End-->
<!--X-MsgBody-End-->
<!--X-Follow-Ups-->
<hr>
<ul><li><strong>Follow-Ups</strong>:
<ul>
<li><strong><a name="00256" href="msg00256.html">[ale] Bash script question</a></strong>
<ul><li><em>From:</em> esoteric at 3times25.net (Geoffrey)</li></ul></li>
</ul></li></ul>
<!--X-Follow-Ups-End-->
<!--X-References-->
<!--X-References-End-->
<!--X-BotPNI-->
<ul>
<li>Prev by Date:
<strong><a href="msg00253.html">[ale] Enterprise Linux's</a></strong>
</li>
<li>Next by Date:
<strong><a href="msg00255.html">[ale] Enterprise Linux's</a></strong>
</li>
<li>Previous by thread:
<strong><a href="msg00239.html">[ale] Bash script question</a></strong>
</li>
<li>Next by thread:
<strong><a href="msg00256.html">[ale] Bash script question</a></strong>
</li>
<li>Index(es):
<ul>
<li><a href="maillist.html#00254"><strong>Date</strong></a></li>
<li><a href="threads.html#00254"><strong>Thread</strong></a></li>
</ul>
</li>
</ul>

<!--X-BotPNI-End-->
<!--X-User-Footer-->
<!--X-User-Footer-End-->
</body>
</html>