Python Read First Line Of File. With open (pathofmyfileandfileandname) as myfile: If a file has less than 10 lines it should read as many lines as it has.
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Firstnlines=myfile.readlines () [0:5] #put here the interval you want. # read the file lines using readlines () lineslist = filedata. Web use the readlines () function to read the first line of a file in python. Nov 20, 2012 at 14:24. That's almost certainly what you want: # process the remaining lines. For the first 5 lines: If you want to read the first lines quickly and you don't care about performance you can use.readlines () which returns list object and then slice the list. Web # input text file inputfile = exampletextfile.txt # enter n value n = int(input(enter n value: With open(file, 'r+') as wfile:
If a file has less than 10 lines it should read as many lines as it has. Web if not, you want to insert it ahead of the current first line, and then write the original first line below it. First_line = f.readline () note that unless it is the only line in the file, the string returned from f.readline () will contain a trailing newline. Lines = f.readlines() for line in lines[1:]: # process the remaining lines. # read the file lines using readlines () lineslist = filedata. That's almost certainly what you want: You may wish to use. With open (example.txt) as f: With open(file, 'r+') as wfile: Each line has to be numbered, wether it's text or it's whitesp.
