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	<title>Unix linux tips, tricks and scripts</title>
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	<link>http://unix.varhol.sk</link>
	<description>Personal blog with cumulated tips and stuff I have learned so far and is worth to share</description>
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		<title>Easy and fast FreeBSD online emulator</title>
		<link>http://unix.varhol.sk/2011/07/22/easy-and-fast-freebsd-online-emulator/</link>
		<comments>http://unix.varhol.sk/2011/07/22/easy-and-fast-freebsd-online-emulator/#comments</comments>
		<pubDate>Fri, 22 Jul 2011 10:39:31 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Twits]]></category>

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		<description><![CDATA[http://cb.vu/ It&#8217;s that simple. There are games and some utilities and stuff.]]></description>
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		<title>Reading from file by lines instead of words (columns)</title>
		<link>http://unix.varhol.sk/2011/07/09/reading-from-file-by-lines-instead-of-words-columns/</link>
		<comments>http://unix.varhol.sk/2011/07/09/reading-from-file-by-lines-instead-of-words-columns/#comments</comments>
		<pubDate>Sat, 09 Jul 2011 19:08:08 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Ideas]]></category>
		<category><![CDATA[scripting]]></category>
		<category><![CDATA[while]]></category>

		<guid isPermaLink="false">http://unix.varhol.sk/?p=39</guid>
		<description><![CDATA[This one was tricky. My colleague needed to process text file by lines instead of words. Lets say you have following text file: word1 word2 word3 word4 If you use old &#8220;for i in `cat file`; do; echo $i; done&#8221; &#8230; <a href="http://unix.varhol.sk/2011/07/09/reading-from-file-by-lines-instead-of-words-columns/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
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		<title>Unix if statement &#8220;Parameter not set.&#8221; error when test variable is empty</title>
		<link>http://unix.varhol.sk/2011/07/08/unix-if-statement-parameter-not-set-error-when-test-variable-is-empty/</link>
		<comments>http://unix.varhol.sk/2011/07/08/unix-if-statement-parameter-not-set-error-when-test-variable-is-empty/#comments</comments>
		<pubDate>Fri, 08 Jul 2011 14:41:13 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Silly mistakes]]></category>
		<category><![CDATA[conditions]]></category>
		<category><![CDATA[scripting]]></category>

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		<description><![CDATA[Let&#8217;s say you want to test if variable is empty or not: if [ -n $TOP ] then command fi This is perfectly normal if the variable $TOP is not empty, but otherwise this test stops with an error &#8220;Parameter &#8230; <a href="http://unix.varhol.sk/2011/07/08/unix-if-statement-parameter-not-set-error-when-test-variable-is-empty/">Continue reading <span class="meta-nav">&#8594;</span></a>]]></description>
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