How has support for safe shelling out (system, open |- , IPC::Run) changed across recent Perl versions?

Support for safe shelling out in Perl has evolved with various enhancements made across different versions. The introduction of features such as better argument handling, the 'qx//', and modules like IPC::Run have made it safer and easier to handle external process execution. This progression not only improves security but also enhances interoperability with other programming environments.

Example of Safe Shelling Out

# Example of using IPC::Run for safe shelling out use IPC::Run qw(run); my $command = ['ls', '-l', '/some/directory']; my $output; run $command, '>', \$output; # Safe way to execute commands print $output;

safe shelling out Perl system IPC::Run secure command execution Perl versions

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