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Full Discussion: How to substitute?
Top Forums Shell Programming and Scripting How to substitute? Post 302267643 by vanitham on Saturday 13th of December 2008 03:04:59 AM
Old 12-13-2008
How to substitute?

Hi,

I have query terms like this:

Code:
a) apple bannana

b) apple bannana AND chickko

c) "milk shake" OR Graphes orange

whereever there is space substitue with AND operator.

I tried like this:

Code:
if($query!~/"/)
{
   $query=~s/\s+/ AND /g;

}

It works fine when there are no boolean operators.

How to substitute when boolean operators are present if query contains space (apple banana orange AND grapes in such case output should be apple AND bananna AND orange AND grapes) ?

The desired output for the query terms mentioned above should be like this:

Code:
apple AND bannana

apple AND bannana AND chickko

"milk shake" OR Graphes AND orange

It should not substitue the space if double quotes are present and it should substitute only when there is space!!

How can i do that in perl?

Any help?

with regards
Vanitha
 

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ARRAY_SHIFT(3)								 1							    ARRAY_SHIFT(3)

array_shift - Shift an element off the beginning of array

SYNOPSIS
mixed array_shift (array &$array) DESCRIPTION
array_shift(3) shifts the first value of the $array off and returns it, shortening the $array by one element and moving everything down. All numerical array keys will be modified to start counting from zero while literal keys won't be touched. Note This function will reset(3) the array pointer of the input array after use. PARAMETERS
o $array - The input array. RETURN VALUES
Returns the shifted value, or NULL if $array is empty or is not an array. EXAMPLES
Example #1 array_shift(3) example <?php $stack = array("orange", "banana", "apple", "raspberry"); $fruit = array_shift($stack); print_r($stack); ?> The above example will output: Array ( [0] => banana [1] => apple [2] => raspberry ) and orange will be assigned to $fruit. SEE ALSO
array_unshift(3), array_push(3), array_pop(3). PHP Documentation Group ARRAY_SHIFT(3)
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