If you do something like:

`$swbt_dms $item > $log/$key`;
$key = ...read file $log/$key...

[download]

Then you could simply do:

$key = `$swbt_dms $item`;

[download]

Otherwise, it's a waste to use `` when you discard the return value::

$key = system("$swbt_dms $item");

[download]

In Windows, you could also use Win32::Process and call $process->Wait().

exec is not appropriate since it doesn't return.

fork+exec, IPC::Open2, IPC::Open3, system 1, (Win32) and Win32::Process without $process->Wait() (Win32) are not appropriate since they create a process that runs in parallel.

In reply to Re: exec, system, or backticks by ikegami
in thread exec, system, or backticks by tc1364

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