Answers for "how to change a line in a file in python"

4

how to edit a specific line in text file in python

# with is like your try .. finally block in this case
with open('stats.txt', 'r') as file:
    # read a list of lines into data
    data = file.readlines()

print data
print "Your name: " + data[0]

# now change the 2nd line, note that you have to add a newline
data[1] = 'Mage\n'

# and write everything back
with open('stats.txt', 'w') as file:
    file.writelines( data )
Posted by: Guest on September-08-2020
3

python replace string in file

#input file
fin = open("data.txt", "rt")
#output file to write the result to
fout = open("out.txt", "wt")
#for each line in the input file
for line in fin:
	#read replace the string and write to output file
	fout.write(line.replace('pyton', 'python'))
#close input and output files
fin.close()
fout.close()
Posted by: Guest on October-06-2020

Code answers related to "how to change a line in a file in python"

Python Answers by Framework

Browse Popular Code Answers by Language