On Tue, Sep 6, 2011 at 1:19 PM, Shawn H Corey <shawnhco...@gmail.com> 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 characters in $string with 'Greetings'. > > #!/usr/bin/env perl > > use strict; > use warnings; > > my $string = 'Hello, world'; > print "$string\n"; > > > substr($string, 0 , 5) = 'Greetings'; > print "$string\n" > I asked what Perl does behind.. Is it an alias or what? I want internal details....or something technical. Emeka > __END__ > > > > Can also be written as: > > #!/usr/bin/env perl > > use strict; > use warnings; > > my $string = 'Hello, world'; > print "$string\n"; > > substr($string, 0 , 5, 'Greetings' ); > print "$string\n"; > > __END__ > > > > -- > Just my 0.00000002 million dollars worth, > Shawn > > Confusion is the first step of understanding. > > Programming is as much about organization and communication > as it is about coding. > > The secret to great software: Fail early & often. > > Eliminate software piracy: use only FLOSS. > > "Make something worthwhile." -- Dear Hunter > > -- > To unsubscribe, e-mail: beginners-unsubscr...@perl.org > For additional commands, e-mail: beginners-h...@perl.org > http://learn.perl.org/ > > > -- *Satajanus Nig. Ltd *
