in reply to Splitting a file based on matched conditions
G'day skumar_pm,
Welcome to the Monastery.
Given you weren't able to attempt any of this yourself, you should read "perlintro - Perl introduction for beginners" first.
When you've done that, which will give you a grounding in basic I/O, see "perlop: Range Operators" for the "START & END" part.
— Ken
In Section
Seekers of Perl Wisdom