问题
Is there a way in Fortran to write float numbers as 17,3 and not 17.3, changing the dot to a comma?
I have some large data sets wirtten to a .csv by a subroutine, and i want to do some Excel on it. The german version of Excel uses . as a seperator in floating point numbers. I know i can use the import feature to handle it, or use Nodepad++ to search and replace . with ,.
But i do generate lots of these files, and the subroutine will be used by others, so an Excel ready file would be nice.
回答1:
If you're just writing a line or two you can add the decimal edit descriptor dc to your output format. Here's a simple example
write(*,'(dc,f12.3)') 12.3
which produces
12,300
If you want to write to a file, add the clause
decimal = 'comma'
to your open statement, for example:
open(6,decimal='comma')
Of course, here I'm (re-)opening stdout to write commas rather than points.
来源：https://stackoverflow.com/questions/21117216/fortran-formated-output-for-floating-point-numbers