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Top Forums Shell Programming and Scripting How to change a file's content by row? Post 302375919 by Scrutinizer on Monday 30th of November 2009 06:21:01 AM
Old 11-30-2009
If you are not in interested in using a command but in writing the script yourself, you can read all the lines into an array and then print the array from the highest index down to the lowest.
 

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RSORT(3)								 1								  RSORT(3)

rsort - Sort an array in reverse order

SYNOPSIS
bool rsort (array &$array, [int $sort_flags = SORT_REGULAR]) DESCRIPTION
This function sorts an array in reverse order (highest to lowest). PARAMETERS
o $array - The input array. o $sort_flags - You may modify the behavior of the sort using the optional parameter $sort_flags, for details see sort(3). RETURN VALUES
Returns TRUE on success or FALSE on failure. EXAMPLES
Example #1 rsort(3) example <?php $fruits = array("lemon", "orange", "banana", "apple"); rsort($fruits); foreach ($fruits as $key => $val) { echo "$key = $val "; } ?> The above example will output: 0 = orange 1 = lemon 2 = banana 3 = apple The fruits have been sorted in reverse alphabetical order. NOTES
Note This function assigns new keys to the elements in $array. It will remove any existing keys that may have been assigned, rather than just reordering the keys. SEE ALSO
arsort(3), krsort(3), The comparison of array sorting functions. PHP Documentation Group RSORT(3)
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