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Full Discussion: Perl and string array problem
Top Forums Shell Programming and Scripting Perl and string array problem Post 302434019 by cola on Thursday 1st of July 2010 06:18:14 AM
Old 07-01-2010
Perl and string array problem
Code:
#!/usr/bin/perl
my @arr=("hello", "how", "are", "you");
$l=length(@arr);
print $l;

This print 1.Why?
How can i print the array size = 4?
I want to store these in an array.
Code:
hello
how 
are
you

And then i want to access these element through indexing.
How can i do this?
 

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LEARN ABOUT SUSE

gtk2::pagesetup

Gtk2::PageSetup(3)					User Contributed Perl Documentation					Gtk2::PageSetup(3)

NAME

       Gtk2::PageSetup

HIERARCHY

	 Glib::Object
	 +----Gtk2::PageSetup

METHODS

   pagesetup = Gtk2::PageSetup->new
   pagesetup = Gtk2::PageSetup->new_from_file ($file_name)
       o   $file_name (localized file name)

       May croak with a Glib::Error in $@ on failure.

       Since: gtk+ 2.12

   pagesetup = Gtk2::PageSetup->new_from_key_file ($key_file, $group_name)
       o   $key_file (Glib::KeyFile)

       o   $group_name (string or undef)

       May croak with a Glib::Error in $@ on failure.

       Since: gtk+ 2.12

   double = $setup->get_bottom_margin ($unit)
       o   $unit (Gtk2::Unit)

   $setup->set_bottom_margin ($margin, $unit)
       o   $margin (double)

       o   $unit (Gtk2::Unit)

   double = $setup->get_left_margin ($unit)
       o   $unit (Gtk2::Unit)

   $setup->set_left_margin ($margin, $unit)
       o   $margin (double)

       o   $unit (Gtk2::Unit)

   $setup->load_file ($file_name)
       o   $file_name (string)

       May croak with a Glib::Error in $@ on failure.

       Since: gtk+ 2.14

   $setup->load_key_file ($key_file, $group_name)
       o   $key_file (Glib::KeyFile)

       o   $group_name (string or undef)

       May croak with a Glib::Error in $@ on failure.

       Since: gtk+ 2.14

   pageorientation = $setup->get_orientation
   $setup->set_orientation ($orientation)
       o   $orientation (Gtk2::PageOrientation)

   double = $setup->get_page_height ($unit)
       o   $unit (Gtk2::Unit)

   double = $setup->get_page_width ($unit)
       o   $unit (Gtk2::Unit)

   double = $setup->get_paper_height ($unit)
       o   $unit (Gtk2::Unit)

   $setup->set_paper_size_and_default_margins ($size)
       o   $size (Gtk2::PaperSize)

   papersize = $setup->get_paper_size
   $setup->set_paper_size ($size)
       o   $size (Gtk2::PaperSize)

   double = $setup->get_paper_width ($unit)
       o   $unit (Gtk2::Unit)

   double = $setup->get_right_margin ($unit)
       o   $unit (Gtk2::Unit)

   $setup->set_right_margin ($margin, $unit)
       o   $margin (double)

       o   $unit (Gtk2::Unit)

   $setup->to_file ($file_name)
       o   $file_name (localized file name)

       May croak with a Glib::Error in $@ on failure.

       Since: gtk+ 2.12

   $setup->to_key_file ($key_file, $group_name)
       o   $key_file (Glib::KeyFile)

       o   $group_name (string or undef)

       Since: gtk+ 2.12

   double = $setup->get_top_margin ($unit)
       o   $unit (Gtk2::Unit)

   $setup->set_top_margin ($margin, $unit)
       o   $margin (double)

       o   $unit (Gtk2::Unit)

ENUMS AND FLAGS

   enum Gtk2::PageOrientation
       o   'portrait' / 'GTK_PAGE_ORIENTATION_PORTRAIT'

       o   'landscape' / 'GTK_PAGE_ORIENTATION_LANDSCAPE'

       o   'reverse-portrait' / 'GTK_PAGE_ORIENTATION_REVERSE_PORTRAIT'

       o   'reverse-landscape' / 'GTK_PAGE_ORIENTATION_REVERSE_LANDSCAPE'

   enum Gtk2::Unit
       o   'pixel' / 'GTK_UNIT_PIXEL'

       o   'points' / 'GTK_UNIT_POINTS'

       o   'inch' / 'GTK_UNIT_INCH'

       o   'mm' / 'GTK_UNIT_MM'

SEE ALSO

       Gtk2, Glib::Object

COPYRIGHT

       Copyright (C) 2003-2008 by the gtk2-perl team.

       This software is licensed under the LGPL.  See Gtk2 for a full notice.

perl v5.12.1							    2010-07-05							Gtk2::PageSetup(3)
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