I have a reference named $test. it points to the data structure as follows
or
$test may be the reference of a hash or array.
I want to get the value of the argument
using
or
how can i judge that the $test is the reference of a array or a hash?
I use this method to decide.
But it seems that the output always REF
What can i do??
I am trying to reference a two dimensional array in a
subroutine and can't seem to figure this one out in Perl.
Does anybody know? Please enlighten me.
#!/usr/bin/perl -w
use constant DIM => 4;
sub Shift_elements_right{
my (@Input, @Output) = @_;
for ($i = 0 ; $i <= DIM ;... (5 Replies)
My input text has the following pattens:
func_a(3,
4,
5);
I want to replace it with this:
func_b(3,
4,
5,
6);
I'm trying the following expression, but it does not work:
perl -p -e "s/func_a\((.*)?\);/func_b(\1,\n6)/s" <... (8 Replies)
Hi,
test -d .ssh || mkdir .ssh && chmod 700 .ssh
The command has couple of symbols, could someone redirect me to the link, where i can understand their significance.
Thanks, John (1 Reply)
hello
I am looking for book reference far Linux books that have information that is up to date.
Example:
Running Linux, O`Reilly, year 1995.
Or
Linux Administration, A beginners guide, 5`th ed, Mc Graw Hill Osbourn, year 2009.
Thank you (2 Replies)
Guys,
May i know how can we de reference the code reference variable.?
my $a = sub{$a=shift;$b=shift;print "SUM:",($a+$b),"\n";};
print $a->(4,5);
How can we print the whole function ?
Please suggest me regarding this.
Thanks for your time :)
Cheers,
Ranga :) (0 Replies)
Hi Perl users,
Could somebody help me to find the solution of my problem below.
Here is my data:
__DATA__
===================================================
NameOfipaddress ippair_1
propertiesx y
propertiesy x... (1 Reply)
Hi all,
I have written a perl code and stored the data into Data structure using Data::Dumper module.
But not sure how to retreive the data from the Data::Dumper.
Eg.
Based on the key value( Here CRYPTO-6-IKMP_MODE_FAILURE I should be able to access the internal hash elements(keys) ... (1 Reply)
Hi,
Could you please help me to get last reference date in Unix, in Unix we maintain SAS7BDAT files.
Is there any command or script to get the info,
Thank you. (2 Replies)