To be fair, sometimes calling some giant java library or installing tons of dependencies is just not realistic. Use the library for the mission critical stuff or the automated reporting without a doubt, but it's important to be practical and thinking on your feet as well.

In the meantime for quick analysis and testing 90% + can be accomplished with one line of (g)awk.

  awk -v FPAT='"[^"]*"|[^,]*' -v OFS='\t' '{$1=$1; print $0}' "$filename" 

More on FPAT [here](https://www.gnu.org/software/gawk/manual/gawk.html#Splitting...)