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What is an alternative of system() in PERL?

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What is an alternative of system() in PERL?
posted Oct 26, 2014 by Prakash Singh

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1 Answer

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You can try exec() and `` (backticks). However they are not identical as system (system fork a new process where as exec does in the same process) but very close of system. Let me know if looking for something different.

answer Oct 27, 2014 by Salil Agrawal
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+1 vote

I would retrieve my hash table when i pass it in argument at a function. In my case, function1 return my hash table, then i pass my hash table in argument to my function2 and in my function2 i would retrieve my hash table for browse it.

sub function1{
    my code;
    return %hash;
}

sub function2{
    my %hash=$_[0];
    my code browse my hash;
}

my %hash = function1();
function2(%hash);

I have the following error : Odd number of elements in hash assignment at

+1 vote
$ perl -le 'system "df -h"'
$ perl -le 'system "df","-h"'

Both two styles work fine. What's the difference between them and which is better usage?

+1 vote

I'm looking for introductory to advanced examples of RESTful programming in Perl preferably with some good explanations and best practices.

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