Faster way to create tab deliminated text files?

Question

Many of my programs output huge volumes of data for me to review on Excel. The best way to view all these files is to use a tab deliminated text format. Currently i use this chu

Answer 1

does it have to be written in C? if not, there are many tools already written in C, eg (g)awk (can be used in unix/windows) that does the job of file parsing really well, also on big files.

awk '{$1=$1}1' OFS="\t" file