Understand your data. Something like this works. 

use warnings;
use strict;


while(<DATA>){
  print unless/^#+?\s.+vss #+?$/sm .. /\}/; 
}

__DATA__

 # Bind
 ::d::autoBindmap $intfcName 

-------------so many other lines------------------------------
############ Power information for vss #####################
#----------------------------
 #pg_vss s100
#----------------------------
 #Add pg_vss_dl interface
set  intfcName pg_vss 1.0 s 100

 #Add Verilog port binding for vss
 ::d::autoBindmap $module pg_vss $intfcName
{
 VSSGND vss_dl;
 }

############ Power information for vdd #####################
#----------------------------
 #pg_vdd s100
#----------------------------
 #Add pg_vdd_dl interface
set  intfcName pg_vdd 1.0 s 100

 #Add Verilog port binding for vss
 ::d::autoBindmap $module pg_vdd $intfcName
{
 VDD vss_dl;
 }

-----------------------so many other lines----------------------------
+---

 #write component 
 ::d::writeLib $module

[download]
You know one of the value you are looking for will be "vss", but since I know what your array holds. This could do.

In reply to Re: Remove multiple lines in file if pattern found based on array element, in perl by Anonymous Monk
in thread Remove multiple lines in file if pattern found based on array element, in perl by MatD

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