readlines Questions
6
Solved
What is the difference between :
with open("file.txt", "r") as f:
data = list(f)
Or :
with open("file.txt", "r") as f:
data = f.read().splitlines(True)
Or :
with open("file.txt", "r") as ...
15
Solved
In Python, calling e.g. temp = open(filename,'r').readlines() results in a list in which each element is a line from the file. However, these strings have a newline character at the end, which I do...
Cumber asked 8/9, 2012 at 11:55
4
Solved
How can I create a fake file object in Python that contains text? I'm trying to write unit tests for a method that takes in a file object and retrieves the text via readlines() then do some text ma...
Glide asked 6/8, 2012 at 17:57
13
Solved
I want to take every word from a text file, and count the word frequency in a dictionary.
Example: 'this is the textfile, and it is used to take words and count'
d = {'this': 1, 'is': 2, '...
Harlem asked 18/2, 2014 at 11:15
2
Solved
I am having trouble getting python to read specific lines. What i'm working on is something like this:
lines of data not needed
lines of data not needed
lines of data not needed
-----------------...
5
So, if I have a list called myList I use len(myList) to find the number of elements in that list. Fine. But how do I find the number of lists in a list?
text = open("filetest.txt", "r")
myLines = ...
10
Solved
Essentially I want to suck a line of text from a file, assign the characters to a list, and create a list of all the separate characters in a list -- a list of lists.
At the moment, I've tri...
28
How do I read every line of a file in Python and store each line as an element in a list?
I want to read the file line by line and append each line to the end of the list.
1
Solved
I am trying to split a large JSONL(.gz) file into a number of .csv files. I have been able to use the code below to create a working .csv file, for the first 25.000 entries. I now want to read and ...
5
Solved
I'm browsing through a Python file pointer of a text file in read-only mode using file.readline() looking for a special line. Once I find that line I want to pass the file pointer to a method that ...
2
Solved
My function is:
create_matrix <- function() {
cat("Write the numbers of vertices: ")
user_input <- readLines("stdin", n=1)
user_input <- as.numeric(user_input)
print(user_input)
}
...
Deliciadelicious asked 16/5, 2018 at 13:17
3
I'm trying to do something like this:
Lines = file.readlines()
# do something
Lines = file.readlines()
but the second time Lines is empty. Is that normal?
11
I have a .txt file with values in it.
The values are listed like so:
Value1
Value2
Value3
Value4
My goal is to put the values in a list. When I do so, the list looks like this:
['Value1\n', ...
Semiconscious asked 5/3, 2013 at 20:22
2
Solved
I am new to Python and I am currently using Python 2. I have some source files that each consists of a huge amount of data (approx. 19 million lines). It looks like the following:
apple \t N \t ap...
Illusive asked 11/11, 2016 at 9:38
3
Solved
I'm experiencing a very hard time with R lately.
I'm not an expert user but I'm trying to use R to read a plain text (.txt) file and capture each line of it. After that, I want to deal with those ...
3
Solved
2
Solved
It works with a for loop and mutable variable:
let addLnNum filename =
use outFile = new StreamWriter(@"out.txt")
let mutable count = 1
for line in File.ReadLines(filename) do
let newLine = ...
1
Solved
I have a .xml file that I read with readLines() in R.
I would like to know if there is some function that allow me to delete from line 15 to line 18.
I would need of a general command, because I...
7
Solved
I have a text file with columns of data and I need to turn these columns into individual lists or arrays.
This is what I have so far
f = open('data.txt', 'r')
temp = []
for row in f.readlines():
...
2
i have a file that has a specific line of interest (say, line 12) that looks like this:
conform: 244216 (packets) exceed: 267093 (packets)
i've written a script to pull the first number via rege...
4
I have saved a list of ticker symbols into a text file as follows:
MMM
ABT
ABBV
ANF
....
Then I use readlines to put the symbols into a Python list:
stocks = open(textfile).readlines()
Howeve...
4
I would like to extract multiple character strings from one line.
suppose I have the following text line (taken with the 'readLines' function form a website):
line <- "abc:city1-street1-long1-...
1
Solved
I am using...
File.ReadLines(@"file.txt").Count();
...to find the total number of lines in the file. How can I do this, but ignore all blank lines?
1
Solved
This is my first ever question here and I'm new to R, trying to figure out my first step in how to do data processing, please keep it easy : )
I'm wondering what would be the best function a...
Higher asked 31/10, 2013 at 19:5
4
Solved
I have a text file and I need to read from the seconds line to to 15th line including.
I've tried some methods but no method worked for me...
I'd be happy if anyone could help me ...
thanks a...
1 Next >
© 2022 - 2024 — McMap. All rights reserved.