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 )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()python replace text in file
filename = "sample1.txt"
# SAMPLE1.TXT
# Hello World!
# I am a human.
with open(filename, 'r+') as f:
text = f.read()
text = re.sub('human', 'cat', text)
f.seek(0)
f.write(text)
f.truncate()
# SAMPLE1.TXT
# Hello World!
# I am a cat.Copyright © 2021 Codeinu
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