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open (INPUT, "<", $ARGV[0]) || die "\nError: File Read \"$ARGV[0]\"\nE
+rror: $!\n\n"; 

...
  }
}
close INPUT;

b=23 y=0x11 arg=0x70 def=0x1 val=0x234
checking system
...

b=40 y=0x90 arg=0x34 def=0x5 val=0x2197
f ref.grf.pin.clk_trg 0x0021

b=54 y=0x23 arg=0x78 def=0x2 val=0x65b
f chk.fin.reg.m_cwr 0x213
...
From the b and f I want to get the from b (y, arg and def) 
and f (\w+ - chk.fin.reg.m_cwr /ref.grf.pin.clk_trg )