How can I save my python output to text file

Question

I have to save my results to txt file but no idea for this. I greatly need some of you can help me. I really appreciate. My code :

import pandas as pd

import numpy as np

import glob

filenames = glob.glob('E:\koppen-master\dat_Viet\T2m_*.txt')

for g in filenames:

    print("#",g)


    data1=np.loadtxt(fname=g,comments="#")
    nyr1=len(data1[:,1])/31 

    nyr1=int(nyr1)

    r3T2m=np.reshape(data1[:,1:13],(nyr1,31,12))

    r2T2m_mn=np.zeros(shape=(nyr1,12))

    iyr1=0    

    while iyr1 < nyr1:

            imn1=0  

            while imn1<12:

                    idy1=0  

                    ndy1=0  

                    while idy1 <31:

                            if r3T2m[iyr1][idy1][imn1]>=-10.: 

                                    ndy1=ndy1+1

                                    r2T2m_mn[iyr1][imn1]=r2T2m_mn[iyr1][imn1]+r3T2m[iyr1][idy1][imn1]

                            idy1=idy1+1

                    r2T2m_mn[iyr1][imn1]=round(r2T2m_mn[iyr1][imn1]/float(ndy1),2)

                    imn1=imn1+1

            print ("#",iyr1+1998,"  ",r2T2m_mn[iyr1])

            iyr1=iyr1+1

My result like this :

enter image description here

Thanks a lot

Did you try using open() method? If not you can study from here: w3schools.com/python/ref_func_open.asp and then you can append or directly write into your file. Just open this link you will come to know. — JenilDave
– JenilDave, Commented May 8, 2020 at 8:47

Danizavtz · Accepted Answer · 2020-05-08 09:37:41Z

1

You can try to use the python file, see section 'Reading and Writing Files' for more information. Just above your for, include that line:

with open('output.txt', 'w') as f:
    try:
        #put your for and while loops here

Right after your print statement include this line (same indentation level):

f.write('#{} {}\n'.format(int(iyr1)+1998, r2T2m_mn[iyr1]))

At the end of the file just put (indentation level from try statement):

except Exception as err:
    print('There was an error. Detail: {}'.format(err))
finally:
    f.close()

answered May 8, 2020 at 9:37

Danizavtz

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Comments

vbhargav875 · Accepted Answer · 2020-05-08 10:12:44Z

0

Add this line of code above your for loop as shown below :

f = open("results.txt", "w")
for g in filenames:

Add this line of code after your print statement as shown below :

print ("#",iyr1+1998,"  ",r2T2m_mn[iyr1])    
f.write("#" + (iyr1+1998) + "  " + r2T2m_mn[iyr1] + "\n")

Add this line at the end of your code (outside all loops) :

f.close()

edited May 8, 2020 at 10:12

answered May 8, 2020 at 8:47

vbhargav875

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2 Comments

Nguyễn Đức Việt Over a year ago

Thank you for your comment. I tried to run and It showed that : f.write("#",iyr1+1998," ",r2T2m_mn[iyr1],"\n") TypeError: write() takes exactly one argument (5 given)

Nguyễn Đức Việt Over a year ago

I got the solution. Thank you for your time

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