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previous element in the array perl


 
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# 1  
Old 09-26-2011
Data previous element in the array perl

Hi, How to get previous/next element in the array perl

Example
Code:
@queue = (1, 2 ,3 , 4);

I want to get value of 1 and 2, or, 2 and 3, or 3 and 4...etc and compare to value which one is greater to do that I need to get previous and next element of array ?
# 2  
Old 09-26-2011
Code:
perl -e '
@queue = (1, 2, 3, 4);
print for map { "$queue[$_], $queue[$_+1]\n" } 0...$#queue-1'
1, 2
2, 3
3, 4

But I think I didn't understand you.

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