Attribute Error in Python: 'list' object has no attribute 'split'

Question

I'm trying to write a code, which extracts timecodes from lines that start with "From". Example: "From [email protected] Sat Jan 5 09:14:16 2008" and then splits the timecode into hours and seconds.

fhand = open('mbox-short.txt')

for line in fhand :
    line = line.rstrip()
    if not line.startswith('From') : continue
    words = line.split()
    time = words[5:6]
    hrs = time.split(':')
    print(hrs[1])
    print(hrs[2])

When I'm compiling my code - I'm getting the traceback (Attribute Error: 'list' object has no attribute 'split'). If I change my code to do the same for email:

fhand = open('mbox-short.txt')

for line in fhand :
    line = line.rstrip()
    if not line.startswith('From') : continue
    words = line.split()
    time = words[1]
    hrs = time.split('@')
    print(hrs[1])

everything is alright - the program works properly (splits emails into logins and domains). What's wrong with the first code?

Slicing words[5:6] returns a list even if there is only one thing in it — rdas
– rdas, Commented Jul 14, 2020 at 15:53

VirxEC · Accepted Answer · 2020-07-14 16:06:34Z

2

Welcome to SO!

Firstly, lists have no property called 'split'. Strings do, though!

This means that in your first example, you're trying to split a list, but in the second example, you're splitting a string. This is because doing words[5:6] returns a list, but getting the first item from a list of strings returns a string. (words[1])

If you want to convert a list to a string, consider using "".join(mylist). Check out this article on W3Schools for more info on how to use join.

answered Jul 14, 2020 at 16:06

VirxEC

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Comments

Louis Couture · Accepted Answer · 2020-07-14 18:25:52Z

As a previous person already said, you can't split list, the reason the fist code works is because you are splitting one element of the list, which is a string, what you could do iterate in each element of the time array to print all of them

fhand = open('mbox-short.txt')

for line in fhand :
    line = line.rstrip()
    if not line.startswith('From') : continue
    words = line.split()
    time = words[5:6]
    for elem in time:
        hrs = time.split(':')
        print(hrs[1])
        print(hrs[2])

user13914826 · Accepted Answer · 2020-07-15 13:37:59Z

1

Try this:

fhand = open('mbox-short.txt')

for line in fhand :
    line = line.rstrip()
    if not line.startswith('From') : continue
    words = line.split()
    time = words[5]
    hrs = time.split(':')
    print(hrs[1])
    print(hrs[2])

answered Jul 15, 2020 at 13:37

user13914826

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