Print file in particular order in bash

Question

I have file with content:

file.txt:

Iteration 1
RAM: +456ms
Cache: +142ms (total +417ms)

Iteration 2
Spec: +152ms
Cache: +149ms (total +413ms)

Iter         


        

Answer 1

$ cat tst.awk
BEGIN { FS="[: ]+" }
/:/ { vals[$1] = vals[$1] OFS $2+0 }
END { for (key in vals) print key vals[key] }

$ awk -f tst.awk file
Cache 142 149
RAM 456 184 149
Searchms 131 188
Spec 152 172