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Full Discussion: Sort numbers
Top Forums Shell Programming and Scripting Sort numbers Post 302476041 by TehOne on Tuesday 30th of November 2010 04:24:07 PM
Old 11-30-2010
Network Sort numbers

Hello,

okey so my script is using 4 variables that are either empty or numbers in the following format:

Code:
NUMBER_1 NUMBER_2 NUMBER_3 NUMBER_4

So they're basically separated by a space and I need to echo the lowest number, so far I've been doing it like this:

Code:
echo "2 3 1 3" | tr " " "\n" | sort -n | head -n1

However the problem is that I need the number 0 as well empty fields excluded.

So with my method the following examples would fail:

Code:
echo "2 3 1 0" | tr " " "\n" | sort -n | head -n1
echo "2 3  1" | tr " " "\n" | sort -n | head -n1
echo "2 3 1 3" | tr " " "\n" | sort -n | head -n1
echo " 3 1 3" | tr " " "\n" | sort -n | head -n1
echo "2 3 1 " | tr " " "\n" | sort -n | head -n1
etc.

I'm sure that one of you guys has a good solution, big thanks in advance!
 

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TIDY.HTML(3)								 1							      TIDY.HTML(3)

tidy::html - Returns atidyNodeobject starting from the <html> tag of the tidy parse tree

       Object oriented style

SYNOPSIS
tidyNode tidy::html (void ) DESCRIPTION
Procedural style tidyNode tidy_get_html (tidy $object) Returns a tidyNode object starting from the <html> tag of the tidy parse tree. PARAMETERS
o $object - The Tidy object. RETURN VALUES
Returns the tidyNode object. EXAMPLES
Example #1 tidy.html(3) example <?php $html = ' <html> <head> <title>test</title> </head> <body> <p>paragraph</p> </body> </html>'; $tidy = tidy_parse_string($html); $html = $tidy->html(); echo $html->value; ?> The above example will output: <html> <head> <title>test</title> </head> <body> <p>paragraph</p> </body> </html> NOTES
Note This function is only available with Zend Engine 2 (PHP >= 5.0.0). SEE ALSO
tidy.body(3), tidy.head(3). PHP Documentation Group TIDY.HTML(3)
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