I cannot reproduce your problem but I was thinking of 

use strict;
use warnings;

sub do_something { print '{', $_[0], "}\n" }

{
  local $/ = ' ';
  while (<>) {
    do_something($_);
  }
}
do_something(<>);

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In reply to Re^3: Reading a huge input line in parts by hdb
in thread Reading a huge input line in parts by kroach

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