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# $_= ~ /ssId=\s*?(\S+)/
$_ =~ /ssId=\s*?(\S+)/

#if ($_= ~ /subSnpClass=\s*?(\S+)/)
if ($_ =~ /subSnpClass=\s*?(\S+)/)

RS_SNPs    subSnpClass3931
    snp
76536062
    snp

#!perl
use strict;
...
  }
  
}