You should be able to simplify the code down to:

my ($tot)= grep /Total/, qx[sysutil];
print $tot; # Should already include "\n"
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Note the use of the list context in declaring $tot - this finds you the FIRST instance of "Total".

Efficiency experts (Nit pickers) may want an early exit out of the "grep", but I think , in this, presumably reletively infrequent usage, simplicity overrides.

You can parse $tot for the numeric values with a regex or split, if necessary.

Update:I just noticed that ikegami(++) beat me to it in his second, third and fourth examples. His code is tighter, ensuring that "Total" is the first word on the line.