$ ./test 1 | tail -3
average: 1
average derivation: 0.734000
average relative derivation: 0.734000
$ for c in {1..100}; do echo -n "$c;"; ./test $c | tail -1 | awk '{print $4}'; done | tr ";" "\t" > result.csv
result.csv:
1 0.738667
2 0.546000
3 0.452889
4 0.393667
5 0.355200
6 0.317222
7 0.303524
8 0.279917
9 0.259704
10 0.247867
11 0.243939
12 0.229000
13 0.217077
14 0.215190
15 0.207289
16 0.196833
17 0.192980
18 0.187926
19 0.179298
20 0.178567
…