from the command line: 
perl -pe '$skip=0 if /^end$/; next if $skip; $skip=1 if /^begin$/' dat
+a.txt

[download]

Or a little more drawn out: 

#!/usr/bin/perl

use warnings;
use strict;

my $skip=0;
while(<DATA>)
{
    $skip=0 if /^end$;
    print unless $skip;
    $skip=1 if /^begin$/;
}

__DATA__
a
begin
1          <-----  delete
a          <-----  delete
2          <-----  delete
end
c
begin
c
end
a
begin
1

[download]

In reply to Re: how to cut context between first "begin" and "end"? by spazm
in thread how to cut context between first "begin" and "end"? by cxfcxf

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