file-handling is an abstraction of common actions such as creating, opening, closing, reading, updating, writing, comparing and deleting files
Questions tagged [file-handling]
2915 questions
0
votes
0 answers
File handler as an argument for a function in cython
What should be the variable type of a _io.TextIOWrapper object as argument for a function in Cython?
e.g.
f = open("myfile.txt","r")
cpdef int myFunction(f):
...
return 0
Something like this?:
cpdef int myFunction(FILE* f):
...
…
aerijman
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0
votes
0 answers
Limit file Size while writing
I am in pursuit to create a CSV file, with size constraints defined by Bytes.
For e.g. i need to keep writing to a file, that would contain CSV data, so it doesn't exceed file limit of 5MB.
Without any loss of data in the row.
Obvious solution would…
s_s_
- 463
- 5
- 20
0
votes
2 answers
Writing to a file from python also adds additional characters to the last line
I have a python file named constants.py with the following contents
from pytestLoop.config.testdata_005_connect_for_bank_statements import *
xpath_username="//div[text()='"+uname+"']"
pswd="//div[@id='password']"
# this is the end of the file.
I…
Fuze Test
- 31
- 6
0
votes
1 answer
Extra curly bracket generated in js.dump
I came across the following problem, the code example below is returning a curly bracket too much every second call:
import json as js
def switchState(path, type):
file = open(path + '/states.txt', 'r+')
json = js.loads(file.read())
…
Asel
- 15
- 3
0
votes
2 answers
how to open a text file(or any file) located in a folder other than the project folder in java
FileDialog fc=new FileDialog (new Frame(),"Test File Dialog");
fc.setVisible(true);
String selectedFile=fc.getFile();
File file = new File(selectedFile);
String absolutepath = file.getAbsolutePath();
hi, am trying to get the full file…
StackTrace
- 9,190
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0
votes
0 answers
Update the contents of a file in Python
I am trying to update the contents of the file swimmerpoints.txt. My current code is as follows:
def update():
swimmerid = []
name = []
points = []
files = open('swimmerpoints.txt', 'a+')
for info in files:
info = info.strip()
…
Johnny
- 211
- 3
- 15
0
votes
1 answer
How to update the xml file using python and BeautifulSoup
I can see that the values are updating but when I check that in XMl file it shows original values , How can I update original XML file with edits or create a new XML file with edits. Here is what I am doing
with open("C:/file/abcd.xml","r") as…
Akash Rathor
- 109
- 8
0
votes
4 answers
Populating a dictionary from a text file?
So I have a text file that looks something like this:
Monstera Deliciosa
2018-11-03 18:21:26
Tropical/sub-Tropical plant
Leathery leaves, mid to dark green
Moist and well-draining soil
Semi-shade/full shade light requirements
Water only when top 2…
Aaron
- 165
- 8
0
votes
1 answer
fread is reading garbage in file
I am working on my assignment and faced a problem with fread() in C++. When I modify the name in my file it modifies it perfectly as I want but the problem occurs when I try to read the file after that, it reads the whole file but it does not stop…
user13441695
0
votes
1 answer
Reading and writing file in ISO-8859-1 encoding?
I have file encoded in ISO-8859-1. I'm trying to read it in as a single String, do some regex substitutions on it, and write it back out in the same encoding.
However, the resulting file I get always seems to be UTF-8 (according to Notepad++ at…
Michael Hillman
- 1,217
- 3
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- 24
0
votes
0 answers
Problem with read and write functions in c++
I am facing problem with read and write functions in C++ and C also.
When I input 2 or more name and ids in my code it writes it perfectly to the file but when I read the file with fread it show some weird behavior it prints same value of ids as I…
user13441695
0
votes
1 answer
How do I print a particular field from a CSV file in python?
import csv
with open('doc.csv','r') as f:
file=csv.reader(f)
for row in file:
if row==['NAME']:
print(row)
I wanted to print all the names from a csv file in…
vaman madhavan
- 3
- 1
0
votes
1 answer
How to change an integer inside a file without coping the file to another
I'm making a program for school where i have to create a function for making exams and another one to get the exam.
I did the part to create the exam. Now I'm trying to make the part to get the exam. The problem i have in this part is to store the…
Hi its Me
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- 3
0
votes
2 answers
How to make a file non-editable?
I am working on an idea. I need a bit help here, as I don't have in depth knowledge of python modules(I mean I don't know all the python modules). Take a look at the code
file = open('Data.txt', 'w')
a = input('Enter your name in format F|M|L:…
Ruturaj
- 3
- 4
0
votes
2 answers
trying to get an output from a file using the user input value then print the value in python
I'm trying to learn python and I wrote this script, that not shows me the right output.. What am i missing?
I have a text file like this:
test
test1
test2
test3
test4
#test5
test6
#test7
#test8
TASK 1:
open file: i got this part
*do not print or…
sendoh
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- 7