arm-RAW-915rwp

import glob
import os
#This scrip is for modifying RAW 915rwp files, in this case I was modifying the wind angle and have a bit more code to accomidate that.
path = '/data/home/gervais/prod/jobs/0389/collection/nim/nim915rwpM1.00'
os.chdir(path)
for filename in glob.glob(os.path.join(path, '*.cnw')):
    print filename;
    with open(filename,'r') as file:
        editcolumn = 2;#Column 3 is for the DIR variable, so I defined it here to be easy to change later
        data = file.readlines();
        length = int(len(data));
        for i in range(length):
            explode = data[i].split();
            if (len(explode) == 18) and (explode[editcolumn] != "DIR"):#The data-containing lines have 18 lines, the != "DIR" is so it doesn't try to modify the header
                if (int(explode[editcolumn]) != 999999) and (int(explode[editcolumn]) != -9999):#A test to ensure that I'm not editing fill values
                    #print explode[editcolumn];
                    explode[editcolumn] = str(int(explode[editcolumn])+90);#Adding to the degree value
                    #print explode[editcolumn];
                    if int(explode[editcolumn]) >= 360:#ensuring the number is between 0 and 360
                        explode[editcolumn] = str(int(explode[editcolumn])-360);
                        #print explode[editcolumn];
                    #print;
                data[i] = '{:>6}{:>9}{:>9}{:>9}{:>9}{:>9}{:>9}{:>9}{:>9}{:>9}{:>9}{:>9}{:>9}{:>9}{:>9}{:>9}{:>9}{:>9}\n'.format(*explode[:]);#This is the format used for 915rwp data lines
            #print data[i];
        with open(filename,'w') as file:
            file.writelines(data)