Reading Fortran Ascii output using python

[Heli]

On Monday, October 31, 2016 at 8:03:53 PM UTC+1, MRAB wrote:
> On 2016-10-31 17:46, Heli wrote:
> > On Monday, October 31, 2016 at 6:30:12 PM UTC+1, Irmen de Jong wrote:
> >> On 31-10-2016 18:20, Heli wrote:
> >> > Hi all,
> >> >
> >> > I am trying to read an ascii file written in Fortran90 using python. I am reading this file by opening the input file and then reading using:
> >> >
> >> > inputfile.readline()
> >> >
> >> > On each line of the ascii file I have a few numbers like this:
> >> >
> >> > line 1: 1
> >> > line 2: 1000.834739 2000.38473 3000.349798
> >> > line 3: 1000 2000 5000.69394 99934.374638 54646.9784
> >> >
> >> > The problem is when I have more than 3 numbers on the same line such as line 3, python seems to read this using two reads. This makes the above example will be read like this:
> >> >
> >> > line 1: 1
> >> > line 2: 1000.834739 2000.38473 3000.349798
> >> > line 3: 1000 2000 5000.69394
> >> > line 4: 99934.374638 54646.9784
> >> >
> >> > How can I fix this for each fortran line to be read correctly using python?
> >> >
> >> > Thanks in Advance for your help,
> >> >
> >> >
> >>
> >> You don't show any code so it's hard to say what is going on.
> >> My guess is that your file contains spurious newlines and/or CRLF combinations.
> >>
> >> Try opening the file in universal newline mode and see what happens?
> >>
> >> with open("fortranfile.txt", "rU") as f:
> >>     for line in f:
> >>         print("LINE:", line)
> >>
> >>
> >> Irmen
> >
> > Thanks Irmen,
> >
> > I tried with "rU" but that did not make a difference. The problem is a line that with one single write statement in my fortran code :
> >
> > write(UNIT=9,FMT="(99g20.8)")  value
> >
> > seems to be read in two python inputfile.readline().
> >
> > Any ideas how I should be fixing this?
> >
> > Thanks,
> >
> What is actually in the file?
> 
> Try opening it in binary mode and print using the ascii function:
> 
>      with open("fortranfile.txt", "rb") as f:
>          contents = f.read()
> 
>      print("CONTENTS:", ascii(contents))

Thanks guys, 
I solved the problem on the Fortran side. Some lines contained new lines characters that I fixed by setting format descriptors in Fortran.

Thanks for your help,