Writing values at a desired column in a line of text file

[Gupta]

I have a array which has 5 values and I want to write it in a text file with 1st value starting from 1st col and second value from 7th col and 3rd value from 10th column of a single line.. is there any way to formate that array and write it in to a file ? Can anyone pls guide me on how to do it..?