[EMAIL PROTECTED] (Randal L. Schwartz) writes:
>> "Keith" == Keith C Ivey <[EMAIL PROTECTED]> writes:
>
> Keith> perl -pe '$_ x=!(1..5)'
>
> FWP. Not Golf. :)
I had fun reading it, so
--Jed
On Sat, 25 Sep 2004 at 19:09:31 -0700, Randal L. Schwartz wrote:
> > "Keith" == Keith C Ivey <[EMAIL PROTECTED]> writes:
> Well, it also presumes that "!" returns literally 0 and 1. I've
> never seen a promise of that in any docs.
> I think Perl6 should return "42" for true, just to keep peo
On Sat, Sep 25, 2004 at 07:09:31PM -0700, "Randal L. Schwartz" <[EMAIL PROTECTED]>
wrote:
> Well, it also presumes that "!" returns literally 0 and 1. I've
> never seen a promise of that in any docs.
$ perl -we'use overload "!"=>sub{"whoa"}; print !bless{}'
whoa
> I think Perl6 should return "4
> "Keith" == Keith C Ivey <[EMAIL PROTECTED]> writes:
Keith> Well, I'm sure there's something better than that for golf (Ton
Keith> probably has a 3-byte solution), but I think x= with a boolean
Keith> righthand side *is* fun, and it's even handy for one-liners
Keith> occasionally once you'
Randal L. Schwartz <[EMAIL PROTECTED]> wrote:
> Keith> perl -pe '$_ x=!(1..5)'
>
> FWP. Not Golf. :)
Well, I'm sure there's something better than that for golf (Ton
probably has a 3-byte solution), but I think x= with a boolean
righthand side *is* fun, and it's even handy for one-liners
oc
> "Keith" == Keith C Ivey <[EMAIL PROTECTED]> writes:
Keith> perl -pe '$_ x=!(1..5)'
FWP. Not Golf. :)
--
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
<[EMAIL PROTECTED]> http://www.stonehenge.com/merlyn/>
Perl/Unix/security consulting, Technical writing, C
Randal L. Schwartz <[EMAIL PROTECTED]> wrote:
> perl -ne 'print unless 1..5'
perl -pe '$_ x=!(1..5)'
--
Keith C. Ivey <[EMAIL PROTECTED]>
Washington, DC
> "Jose" == Jose Alves de Castro <[EMAIL PROTECTED]> writes:
Jose> You're probably all familiar with the commands "head" and "tail", which
Jose> let you extract the first or the last N lines of input or a file...
Jose> Imagine you want to print a file, but without the first N lines...
Jose>
We can also try clobbering the particular lines you don't want.
Fr'instance for all but the first 5 lines
perl -pe '$_=""if$.<=5'
On Sat, 2004-09-25 at 02:17, Jose Alves de Castro wrote:
> You're probably all familiar with the commands "head" and "tail", which
> let you extract the first or the
I think we'd like to avoid solutions that involve loading
entire file into an array, agreed?
Here's how I'd do it:
sed -n '5,$p'
--
John Douglas Porter
Josh Goldberg <[EMAIL PROTECTED]> wrote:
> Here's a little oneliner to skip the first 5 lines of the file 'foo':
>
> perl -i5 -e '@_=;[
On Fri, Sep 24, 2004 at 03:17:56PM +0100, Jose Alves de Castro wrote:
> print if ($N+1)..0;
Implicit comparison to $. only happens for constants, so that
should be ($. > $N) .. 0
You mean 'tail +N' vs. 'tail -N' ?
-Aaron
On Sep 24, 2004, at 10:17 AM, Jose Alves de Castro wrote:
You're probably all familiar with the commands "head" and "tail", which
let you extract the first or the last N lines of input or a file...
Imagine you want to print a file, but without the first N
Here's a little oneliner to skip the first 5 lines of the file 'foo':
perl -i5 -e '@_=;[EMAIL PROTECTED]' < foo
On Sep 24, 2004, at 7:17 AM, Jose Alves de Castro wrote:
You're probably all familiar with the commands "head" and "tail", which
let you extract the first or the last N lines of input or
Jose Alves de Castro schreef:
> Imagine you want to print a file, but without the first N lines...
>
> For any N, maybe this:
>
> print if ($N+1)..0;
>
> Any thoughts? Any other ideas? What would be the best way to do this?
I don't know about "best", but I rather like:
3...!print;
to prin
You're probably all familiar with the commands "head" and "tail", which
let you extract the first or the last N lines of input or a file...
Imagine you want to print a file, but without the first N lines...
For N=1, one possibility would be:
print if $. - 1;
For any N, maybe this:
print if ($
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