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reading a number in a file

reading a number in a file

reading a number in a file

Hallo everybody,

I would like to know how can I take a value from a text file like this in fortran:

number  text number


1   3.4556  4.55555
2   3.2222  3.00000

text numbers
numbers ecc...

How can i do if I want to search for the value 3.000?


RE: reading a number in a file

Do you have an example of the input file?

RE: reading a number in a file

Dear all,

I have to read an exponential number in fortran:


I try to read it with a E format but It gave me some problems,


RE: reading a number in a file

Dear xwb,

I have to read numbers like this:

        366       6.0898E-03   0.000
        367       5.9922E-03   0.000
        368       5.8798E-03   0.000
        369       5.7485E-03   0.000
        370       2.1932E-02   0.000
        371       2.1872E-02   0.000
        372       2.1733E-02   0.000
        373       2.1471E-02   0.000
        374       2.1132E-02   0.000
        375       2.0666E-02   0.000
        376       2.0127E-02   0.000
        377       1.9461E-02   0.000
        378       1.8727E-02   0.000
        379       1.7886E-02   0.000
        380       1.6991E-02   0.000

the second column sometimes has e-02 and sometime e-03 I'm trying to use e format but it gave me differents numbers do you know how can I do?

Thanks again,

RE: reading a number in a file


Surely a free format read statement can be used here:-


will happily read each line of your file

RE: reading a number in a file


thanks a lot is working!!


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