or download this
my $vmstr = "zldcdyh1bdce2d14-xxx-vccpohr-correlator-0";
my ($opstr) = $vmstr =~ /-(\d\d)$/; #using the value of $vmstr of t
+he VM but with an added 0
...
Is it as
$FN_OUTPUT = "$DST_DIR/XXX_SIPABCD_5MIN_OHR_${YYYYmmddHHMMSS}
+$opstr_${INSTANCE}_$$";