$ 
$ cat input.txt

Startpoint: in11 (input port)
Endpoint: out421 (output port)
Path Group: (none)
Path Type: max

Point                                    Incr       Path
---------------------------------------------------------------
input external delay                     0.00       0.00 r
in11 (in)                                0.00       0.00 r
Ckt432/A[7] (TopLevel432b)               0.00       0.00 r
Ckt432/M1/A[7] (PriorityA)               0.00       0.00 r
Ckt432/M1/U7/Y (INVX1_RVT)               0.03       0.03 f
Ckt432/M5/U12/Y (OA21X1_RVT)             0.10       2.44 r
Ckt432/M5/Chan[3] (DecodeChan)           0.00       2.44 r
Ckt432/Chan[3] (TopLevel432b)            0.00       2.44 r
out421 (out)                             0.00       2.44 r
data arrival time                                   2.44
---------------------------------------------------------------
(Path is unconstrained)


Startpoint: in37 (input port)
Endpoint: out421 (output port)
Path Group: (none)
Path Type: max

Point                                    Incr       Path
---------------------------------------------------------------
input external delay                     0.00       0.00 r
in37 (in)                                0.00       0.00 r
Ckt432/A[5] (TopLevel432b)               0.00       0.00 r
Ckt432/M1/A[5] (PriorityA)               0.00       0.00 r
Ckt432/M1/U8/Y (INVX1_RVT)               0.03       0.03 f
Ckt432/M1/U13/Y (NAND2X0_RVT)            0.06       0.10 r
Ckt432/M5/U12/Y (OA21X1_RVT)             0.10       2.44 r
Ckt432/M5/Chan[3] (DecodeChan)           0.00       2.44 r
Ckt432/Chan[3] (TopLevel432b)            0.00       2.44 r
out421 (out)                             0.00       2.44 r
data arrival time                                   2.44
---------------------------------------------------------------
(Path is unconstrained)

$ 
$ cat -n process_input.py
     1	#!/usr/bin/env python
     2	# Usage: python process_input.py <input_file_name>
     3	
     4	from sys import argv
     5	input_file = argv[1]
     6	start_template = '''$path {
     7	  // from: in11
     8	  // to: out432
     9	  $name "test_#" ;
    10	  $cycle 1 ;
    11	  $slack -0.130978 ;
    12	  $transition {'''
    13	
    14	end_template = '''  }
    15	}
    16	'''
    17	
    18	inside_block = 0
    19	iter = 0
    20	chunk = []
    21	for line in open(input_file, 'rt'):
    22	    if line.startswith('input external delay'):
    23	        inside_block = 1
    24	        iter += 1
    25	        chunk.append(start_template.replace('#', str(iter)))
    26	    elif line.startswith('data arrival time'):
    27	        chunk.append(end_template)
    28	        for chunk_line in chunk:
    29	            print chunk_line
    30	        chunk = []
    31	        inside_block = 0
    32	    elif inside_block:
    33	        line = line.replace('\n', '')
    34	        tokens = line.split()
    35	        # 1-1) If a letter in 5th column is "r", this would be replaced with "v".
    36	        # If a letter in 5th column is "f", this would be replaced with "^".
    37	        if tokens[4] == 'r':
    38	            tokens[4] = 'v'
    39	        elif tokens[4] == 'f':
    40	            tokens[4] = '^'
    41	
    42	        # 1) replace 5th column with 2nd column. (Swap 2nd and 5th columns.)
    43	        temp = tokens[1]
    44	        tokens[1] = tokens[4]
    45	        tokens[4] = temp
    46	
    47	        # 2) insert two double quotation marks in 1st column. 
    48	        # 3) replace 3rd column with ;
    49	        # 4) replace 4th column with // 
    50	        tokens[0] = '"' + tokens[0] + '"'
    51	        tokens[2] = ';'
    52	        tokens[3] = '//'
    53	
    54	        # Append the transformed stringt to array "chunk"
    55	        transformed_str = ' '
    56	        for item in tokens:
    57	            transformed_str += ' ' + item
    58	        chunk.append(transformed_str)
    59	
$ 
$ python process_input.py input.txt
$path {
  // from: in11
  // to: out432
  $name "test_1" ;
  $cycle 1 ;
  $slack -0.130978 ;
  $transition {
  "in11" v ; // (in)
  "Ckt432/A[7]" v ; // (TopLevel432b)
  "Ckt432/M1/A[7]" v ; // (PriorityA)
  "Ckt432/M1/U7/Y" ^ ; // (INVX1_RVT)
  "Ckt432/M5/U12/Y" v ; // (OA21X1_RVT)
  "Ckt432/M5/Chan[3]" v ; // (DecodeChan)
  "Ckt432/Chan[3]" v ; // (TopLevel432b)
  "out421" v ; // (out)
  }
}

$path {
  // from: in11
  // to: out432
  $name "test_2" ;
  $cycle 1 ;
  $slack -0.130978 ;
  $transition {
  "in37" v ; // (in)
  "Ckt432/A[5]" v ; // (TopLevel432b)
  "Ckt432/M1/A[5]" v ; // (PriorityA)
  "Ckt432/M1/U8/Y" ^ ; // (INVX1_RVT)
  "Ckt432/M1/U13/Y" v ; // (NAND2X0_RVT)
  "Ckt432/M5/U12/Y" v ; // (OA21X1_RVT)
  "Ckt432/M5/Chan[3]" v ; // (DecodeChan)
  "Ckt432/Chan[3]" v ; // (TopLevel432b)
  "out421" v ; // (out)
  }
}

$ 
$