All you need is an array slice: 

## Assume @array contains fields (from wherever)
## Assume @indices contains field numbers to keep (from wherever)

@array = @array[ @indices ];

## Now, @array only contains the fields you want to keep.

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In reply to Re^4: Splicing Arrays on pre-defined indices by BrowserUk
in thread Splicing Arrays on pre-defined indices by harishnuti

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