各位老大，如何将以下txt文件中的数据比较大小，获得全部数据的最大值和最小值，并且知道是那个发射组("Shot Number"),我现在的问题时这些数据如何赋予数组，"Shot Point MaxNumber",29

"Shot Number",507

"ReciveNumber",10

1,1,52.4

2,2,60.6

3,3,62

4,4,58

5,5,61.8

6,6,60.6

7,7,60.6

8,8,57.9

9,9,54.9

10,10,51.1

"Shot Number",511

"ReciveNumber",9

1,5,51.7

2,6,55.6

3,7,61.4

4,8,64.2

5,9,65.5

6,10,64.4

7,11,62.6

8,12,55.9

9,13,52.3

"Shot Number",515

"ReciveNumber",9

1,9,55.8

2,10,59.1

3,11,61.8

4,12,61.9

5,13,64.2

6,14,63.3

7,15,61.1

8,16,56.7

9,17,50.1

"Shot Number",519

"ReciveNumber",9

1,13,56.3

2,14,59.7

3,15,62.1

4,16,64.1

5,17,62.9

6,18,62

7,19,61.9

8,20,59.5

9,21,56.6

"Shot Number",523

"ReciveNumber",9

1,17,52.1

2,18,57.5

3,19,63.4

4,20,66.4

5,21,67.1

6,22,65.9

7,23,63.3

8,24,59.1

9,25,58

"Shot Number",527

"ReciveNumber",9

1,21,62.7

2,22,65.7

3,23,69.3

4,24,70.8

5,25,72

6,26,71

7,27,69

8,28,66.8

9,29,62

"Shot Number",531

"ReciveNumber",9

1,25,62.8

2,26,63.8

3,27,69.4

4,28,72.1

5,29,73.3

6,30,72.1

7,31,69.3

8,32,58.3

9,33,56

"Shot Number",535

"ReciveNumber",9

1,29,62.8

2,30,66.6

3,31,69.1

4,32,64.2

5,33,68.1

6,34,72

7,35,64.6

8,36,66.7

9,37,61.6

"Shot Number",539

"ReciveNumber",9

1,33,43.6

2,34,52.6

3,35,53.3

4,36,60.6

5,37,61.2

6,38,59.6

7,39,57.2

8,40,48.9

9,41,36.4

"Shot Number",543

"ReciveNumber",9

1,37,61.4

2,38,65.1

3,39,65.8

4,40,68.9

5,41,66.4

6,42,64.2

7,43,61

8,44,59.2

9,45,57.7

"Shot Number",546

"ReciveNumber",9

1,41,59.9

2,42,62.1

3,43,69.8

4,44,72.7

5,45,74.1

6,46,71.9

7,47,68.4

8,48,56.9

9,49,47.9

"Shot Number",551

"ReciveNumber",9

1,45,63.6

2,46,70.2

3,47,72.7

4,48,72.2

5,49,71.3

6,50,67.5

7,51,74.9

8,52,67.2

9,53,61.2

"Shot Number",555

"ReciveNumber",9

1,49,56.2

2,50,62.4

3,51,78.2

4,52,77

5,53,76.8

6,54,74.6

7,55,74.2

8,56,70.7

9,57,59.6

"Shot Number",559

"ReciveNumber",13

1,53,53

2,54,60

3,55,66.2

4,56,70.2

5,57,68.6

6,58,66.2

7,59,63.4

8,60,61

9,61,58.9

10,62,49.5

11,63,44.3

12,64,37.3

13,65,42.2

"Shot Number",2

"ReciveNumber",10

1,500,82.5

2,501,91.2

3,502,98.7

4,503,107.6

5,504,111.7

6,505,112.3

7,506,109.6

8,507,106.1

9,508,98.8

10,509,93.8

"Shot Number",6

"ReciveNumber",9

1,505,98.8

2,506,101.3

3,507,108.4

4,508,110.5

5,509,108.6

6,510,105.9

7,511,96.3

8,512,88.3

9,513,79.5

"Shot Number",10

"ReciveNumber",9

1,509,100.8

2,510,109.1

3,511,111.4

4,512,113.3

5,513,111.5

6,514,109.9

7,515,106.5

8,516,97.1

9,517,91.2

"Shot Number",14

"ReciveNumber",9

1,513,100.2

2,514,107.6

3,515,111.1

4,516,112.4

5,517,112

6,518,110.3

7,519,106.8

8,520,98.5

9,521,94.2

"Shot Number",18

"ReciveNumber",9

1,517,98.7

2,518,100.7

3,519,108.8

4,520,110.4

5,521,109.6

6,522,107

7,523,97.3

8,524,91.9

9,525,83.6

"Shot Number",22

"ReciveNumber",9

1,521,107.3

2,522,110

3,523,112.4

4,524,113.9

5,525,113.1

6,526,110.9

7,527,108.1

8,528,102.6

9,529,94.6

"Shot Number",26

"ReciveNumber",9

1,525,101.7

2,526,109.6

3,527,112.5

4,528,112.9

5,529,112.9

6,530,109

7,531,104.7

8,532,95.1

9,533,87.5

"Shot Number",30

"ReciveNumber",9

1,529,107.4

2,530,110.3

3,531,112.5

4,532,113.6

5,533,112.3

6,534,109.8

7,535,106

8,536,96.4

9,537,91.3

"Shot Number",34

"ReciveNumber",9

1,533,101.6

2,534,108.8

3,535,110.9

4,536,110.7

5,537,109.7

6,538,106.9

7,539,102.2

8,540,91.9

9,541,85

"Shot Number",38

"ReciveNumber",9

1,537,99.7

2,538,107.5

3,539,109.4

4,540,110

5,541,109.3

6,542,106.5

7,543,96.9

8,544,88.1

9,545,81.7

"Shot Number",42

"ReciveNumber",9

1,541,86.6

2,542,92

3,543,97.2

4,544,97.1

5,545,95.3

6,546,88.1

7,547,77.8

8,548,72.3

9,549,71.3

"Shot Number",46

"ReciveNumber",9

1,545,95.7

2,546,100.1

3,547,107.5

4,548,109

5,549,108.1

6,550,106.4

7,551,98.2

8,552,92.7

9,553,86.5

"Shot Number",50

"ReciveNumber",9

1,549,80.7

2,550,88.6

3,551,94.5

4,552,94.3

5,553,93.2

6,554,88.8

7,555,84.2

8,556,78.4

9,557,71.2

"Shot Number",54

"ReciveNumber",8

1,553,86.8

2,554,92

3,555,96.6

4,556,97.9

5,557,96.4

6,558,90.8

7,559,87.1

8,560,80.4

"Shot Number",58

"ReciveNumber",4

1,557,84.9

2,558,89.7

3,559,95.1

4,560,94.6