We suggested to use qx() to execute the command and capture the output, into a variable like below, instead of creating file.

Ex: 
use strict;
use warnings;
my $output = qx(date);
print $output;

[download]

After that you can use your regx on that variable and pull the output value.

All is well

In reply to Re^3: formatting output from system call by vinoth.ree
in thread formatting output from system call by mark4444az

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