Hello All,
Could someone explain what Perl does behind here?
Assign to Substring..
substr($string, 0 , 5) = 'Greetings';
Regards,
Emeka
--
*Satajanus Nig. Ltd
*
On 11-09-06 08:04 AM, Emeka wrote:
Hello All,
Could someone explain what Perl does behind here?
Assign to Substring..
substr($string, 0 , 5) = 'Greetings';
Regards,
Emeka
It replaces the first 5 characters in $string with 'Greetings'.
#!/usr/bin/env perl
use strict;
use warnings;
my $str
On Tue, Sep 6, 2011 at 1:19 PM, Shawn H Corey wrote:
> On 11-09-06 08:04 AM, Emeka wrote:
>
>> Hello All,
>>
>> Could someone explain what Perl does behind here?
>>
>> Assign to Substring..
>> substr($string, 0 , 5) = 'Greetings';
>>
>>
>> Regards,
>> Emeka
>>
>
> It replaces the first 5 characte
On 11-09-06 08:32 AM, Emeka wrote:
I asked what Perl does behind.. Is it an alias or what? I want internal
detailsor something technical.
See `perldoc -f substr` and search for /lvalue/.
--
Just my 0.0002 million dollars worth,
Shawn
Confusion is the first step of understanding.
P
On 06/09/2011 13:04, Emeka wrote:
Could someone explain what Perl does behind here?
Assign to Substring..
substr($string, 0 , 5) = 'Greetings';
What do you want to know Emeka?
There is no copy of the 'old' string, and substr behaves as documented.
I have the C code of substr in front of me,
Rob,
I want to check out the C code. Kindly mail it to my box.
Have a great day!
Emeka
On Wed, Sep 7, 2011 at 8:00 PM, Rob Dixon wrote:
> On 06/09/2011 13:04, Emeka wrote:
>
>>
>> Could someone explain what Perl does behind here?
>>
>> Assign to Substring..
>> substr($string, 0 , 5) = 'Greetin
Rob,
Which C file should check out?
Emeka
On Wed, Sep 7, 2011 at 8:08 PM, Emeka wrote:
> Rob,
>
> I want to check out the C code. Kindly mail it to my box.
> Have a great day!
>
> Emeka
>
>
> On Wed, Sep 7, 2011 at 8:00 PM, Rob Dixon wrote:
>
>> On 06/09/2011 13:04, Emeka wrote:
>>
>>>
>>> Co
Hi Emeka,
On Wed, 7 Sep 2011 20:49:44 +0100
Emeka wrote:
> Rob,
>
> Which C file should check out?
>
> Emeka
>
Please look at the function definition starting from «PP(pp_substr)» in pp.c in
the Perl 5 distribution:
https://github.com/mirrors/perl/blob/blead/pp.c
It seems pretty complicate
On 07/09/2011 20:49, Emeka wrote:
On Wed, Sep 7, 2011 at 8:00 PM, Rob Dixon wrote:
On Wed, Sep 7, 2011 at 8:08 PM, Emeka wrote:
On 06/09/2011 13:04, Emeka wrote:
Could someone explain what Perl does behind here?
Assign to Substring..
substr($string, 0 , 5) = 'Greetings';
What do you wa
