How to read CSV data with fields that contain spaces?

[CRquantum]

Thank you very much @urbanjost , you explanation is great.
That csv file is just for fun, it is the from the website I read,

Files | Programming in Modern Fortran

In the " Reading CSV Files" section it describes how to read this csv file using type. But obviously the space cause prblem.

I have another small issue, if file contain ’ . ', read will have problem, would you mind, if you have time, quickly point out what is wrong? Thank you very much indeed!

Reading file contain '' . '' issue

Deal all, I have an extremely simple example, but I am confused if read can correctly recognize the '"." in the file. Here is the file, call it test.csv 101,1,0,2,55,.,.,1 Note that the . cause trouble. I was think read * can recognize . as just 0.0, but it seems behave strange. Here is the code, program main implicit none integer :: fu, rc integer :: i(10) real :: x(10) open(action='read', file='test.csv', iostat=rc, newunit=fu) read (fu, '(2(i10),6(g15.7))', …