Steps
(1) type command to source the script, perl <path of the script> -input <path of the input> -waiver <path of the waiver> -output <path of the output>
(2) Script will be activated, and read through input file and waiver.csv, to generate a filtered input to output path
(3) Data in waiver.csv will be stored in hash, with the ports/pins name and the threshold target are the both of the strings which can be used to check if any matched in input file, if yes, then check if the adjusted threshold value lower or equal to the target threshold in input file, if yes, status change from violated to waived
(4) output file will be the same as input file, unless the conditions mentioned in (3) are fulfilled.