Shell Programming and Scripting

10.15.2.2  2  40  10.15.3.3  1  10  10.32.2.1  3  40  10.33.6.7  2  50
10.16.3.2  1  60  10.11.3.9  1  20  10.19.2.1  1  80
10.16.9.9  3  20
10.29.7.9  2  90  10.33.2.7  3  40
......

10.15.2.2  2  40
10.15.3.3  1  10
10.32.2.1  3  40
10.33.6.7  2  50
10.16.3.2  1  60
10.11.3.9  1  20
10.19.2.1  1  80
10.16.9.9  3  20
10.29.7.9  2  90
10.33.2.7  3  40
......

$ ruby -e 'BEGIN{a=File.read("file").split};END{a.each_slice(3) {|x|print "#{x.join(" ")}\n" } }' 
10.15.2.2 2 40
10.15.3.3 1 10
10.32.2.1 3 40
10.33.6.7 2 50
10.16.3.2 1 60
10.11.3.9 1 20
10.19.2.1 1 80
10.16.9.9 3 20
10.29.7.9 2 90
10.33.2.7 3 40

tr \\t \\n < data | paste - - -

awk '{ i=1;while (i <= NF) {print $i, $(++i), $(++i); ++i}}'

awk '{ i=0; while (i < NF) {print $(++i), $(++i), $(++i)}}'

sed: -e expression #1, char 18: strings for `y' command are different lengths

sh: ruby: command not found

awk: ( i=1;while (i <= NF) {print $i, $(++i), $(++i); ++i}}
awk:      ^ syntax error
awk: ( i=1;while (i <= NF) {print $i, $(++i), $(++i); ++i}}
awk:                       ^ syntax error
awk: ( i=1;while (i <= NF) {print $i, $(++i), $(++i); ++i}}
awk:                                                ^ syntax error

awk '{ i=0; while (i < NF) {print $(++i), $(++i), $(++i)}}'