From: Heesob Park <phasis@...>
Date: 2008-06-04T21:20:02+09:00
Subject: Re: deleting first line from a file

Hi,

2008/6/4 suresh <suresh.amritapuri@gmail.com>:
> On Jun 4, 3:19 pm, Heesob Park <pha...@gmail.com> wrote:
>> 2008/6/4 suresh <suresh.amritap...@gmail.com>:
>>
>>
>>
>> > On Jun 4, 1:48 am, Chris Shea <cms...@gmail.com> wrote:
>> >> On Jun 3, 1:59 pm, suresh <suresh.amritap...@gmail.com> wrote:
>>
>> >> > Hi
>>
>> >> > I have a HUGE data file multiple lines of data. I want to delete just
>> >> > the first line from it. How to do it efficiently?
>>
>> >> > thanks
>> >> > suresh
>>
>> >> Would this work for you?
>>
>> >>   tail -n +2 original.file > modified.file
>>
>> >> HTH,
>> >> Chris
>>
>> > Hi
>>
>> > BTW is there any equivalent method equivalent to linux tail in ruby?
>>
>> ruby -n -e 'print $_ if $.>1' original.file > modified.file
>>
>> Regards,
>>
>> Park Heesob
>
> Hi Park Heesob
>
> Thanks. But how can this be done inside a .rb file? The above must be
> from command line right?
>
It is equivalent to

while gets
  print $_ if $.>1
end

Regards,

Park Heesob