Hello every one, I ma facing a problem with this file

position: 1 neighbors: 5 

 xxxx A     1 G L -135.185  178.150  179.885    0.000    0.000     0.0
+00 1     0.000 P  1 F  1
 xxxx A     2 S L  -49.668  -31.158  177.985    0.000    0.000     0.0
+00 1     0.000 P  1 F  1
 xxxx A     3 M L  -84.632  -45.215  177.518    0.000    0.000     0.0
+00 1     0.000 P  1 F  1

 xxxx A     1 G L -115.240  -69.349 -171.360    0.000    0.000     0.0
+00 1     0.000 P  1 F  2
 xxxx A     2 S L  -84.776 -143.809  173.303    0.000    0.000     0.0
+00 1     0.000 P  1 F  2
 xxxx A     3 M L  -50.674  158.544  177.747    0.000    0.000     0.0
+00 1     0.000 P  1 F  2
 
 xxxx A     1 G L -106.682  126.232  177.885    0.000    0.000     0.0
+00 1     0.000 P  1 F  3
 xxxx A     2 S L  -20.124   24.502 -179.585    0.000    0.000     0.0
+00 1     0.000 P  1 F  3
 xxxx A     3 M L  -60.092    2.018 -178.549    0.000    0.000     0.0
+00 1     0.000 P  1 F  3
 
 xxxx A     1 G L -115.172  -16.017 -179.179    0.000    0.000     0.0
+00 1     0.000 P  1 F  4
 xxxx A     2 S L -143.860  148.913 -179.781    0.000    0.000     0.0
+00 1     0.000 P  1 F  4
 xxxx A     3 M L  -81.755  -23.354 -174.564    0.000    0.000     0.0
+00 1     0.000 P  1 F  4
 
 xxxx A     1 G L  -71.907  147.690 -178.617    0.000    0.000     0.0
+00 1     0.000 P  1 F  5
 xxxx A     2 S L  -81.417   52.986  179.983    0.000    0.000     0.0
+00 1     0.000 P  1 F  5
 xxxx A     3 M L  -83.126  -56.051  178.109    0.000    0.000     0.0
+00 1     0.000 P  1 F  5

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I need to average the numeric values in column 6 and 7 (I did not count the spaces) such that I get three lines. Line 1 is the average of of the first

line of each of the five groups, line 2 is the average of the second line of each of the five groups and so one. please help me, I am new to Perl and I

have been struggling with this file for some time.

many thanks

2018-04-04 Athanasius added code tags

In reply to averaging a group of lines with numeric value in a text file by Anas

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