Questions tagged [file]
A block of arbitrary information, or resource for storing information, accessible by the string-based name or path. Files are available to computer programs and are usually based on some kind of persistent storage.
807
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ProcessPoolExecutor KMZ file search
I've written a script to look for coordinates in KMZ files. I've tried to speed execution up using the ProcessPoolExecutor. I'm quite new to Python, so any recommendations are more than welcome.
<...
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Read a directory of CSV files in R
I'm writing a lot of R in my spare time and am trying to get into good habits by using TidyVerse as much as possible. A large part of this has required reading entire directories of dated log files ...
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3
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Library Management using File Handling
I have never written program in file handling. Help me improve this program.
book.h
...
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3
votes
1
answer
446
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Deadbeef : finding all words made of hexadecimal digits
Hexadecimal 0xdead, 0xbeef are the magic numbers because they're also English words.
I decided to find such words as many as possible. How to do it? We need large ...
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1
answer
497
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Get the common values between two text files
I'm just trying to get the common values from two distinct files called file1.txt and file2.txt where I'm using Python's ...
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A little Python hex editor
First off
I'm quite new to Python, there will be a lot of messy/overcomplicated code, that's why I'm posting on this site.
This code is written in Python (2.7) using the Tkinter library.
Questions
To ...
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Python tool to assemble CodeReview posts from source files
I hate having to format questions around here. Adding four spaces to each source file and the correct name at the top of each source file becomes a headache when I have to post longer questions.
This ...
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Implementation of Linux cp in modern C++
This is my simple implementation of the Unix cp command. It is a C++ program but makes use of some of the lower level C library I/O functions.
Any suggestions for ...
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Reading lines from a file and processing them concurrently
I'd like to read lines from a file and process them concurrently. I came up with the following code to do this:
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0
answers
231
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Script to auto-generate Markdown tables of contents
I would greatly appreciate feedback on the enclosed script, which auto-generates a Markdown table of contents for Github-flavoured Markdown, with respect to:
Consistency with Ruby idiom & style
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- 305
7
votes
2
answers
217
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Cleaning a file / Word Query
In a followup this application was turned into a GUI using FLTK: Cleaning a file / Word Query GUI (FLTK)
I did the following two exercises in Programming: Principles and Practice Using C++ (2nd ...
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2
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VBA - faster way to list out files in a folder & subfolders
I have written a VBA code in excel (basically through combining various codes from others -_-") to list out the path, file name, file size & extension of all files under a folder and the sub-...
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Comparing same-size files and reporting on the differences byte-by-byte
I created a small Python utility to analyze multiple same-size files and report on the difference byte-by-byte (i.e. Hamming distance, not Levenshtein distance.) I am planning to extend the ...
- 1,369
4
votes
2
answers
71
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Escaped line reader
The idiomatic way of reading lines from a file doesn't work for my purposes because the files I'm dealing with might have lines that are escaped. I came up with the below (which seems to meet my needs)...
- 1,940
4
votes
1
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111
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Minimalist config file reader/writer
I have written a simple configuration file reader and writer in D that is intended to parse string[string] associative arrays (the whole file is one array) and ...
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4
votes
2
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103
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Importing files into Excel
Any tips to reduce lines, improve speed, or any cool thing, are welcome.
I have been using this for years and I just realized, why not improve ...?
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2
answers
86
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Random binary digit generation and file I/O
I've recently made a program which generates a (pseudo) random binary digit (1,0) which is tied to a specific subject to learn for every day of the week.
The program generates the digits the first ...
7
votes
3
answers
975
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Convert binary raster file to text CSV
I have a binary file input.hgt from the Shuttle Radar Topography Mission. It contains a 3601✕3601 matrix, stored as 2-Byte big-endian integer numbers. My code ...
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votes
1
answer
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Reversing a file in Fortran
This is my first foray into (modern) Fortran in order to learn a bit more about the language, and I'm attempting the following problem: taking the path of an arbitrarily-sized text or binary file ...
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2
answers
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Producing excerpts from a file at specified positions within long lines (>1 M characters)
I'm trying to read a file containing over 10.000 lines and each line contains an ID for an individual and a very long string composed of more than 1 million characters (numbers as example: ...
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4
votes
1
answer
2k
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B-Tree implementation in secondary-memory/disk-memory
I will start by saying this implementation was based on the approach taken with B-Trees in the book:
Introduction to Algorithms, 3rd Edition - Cormen, 2011
The implementation stores all the b-tree ...
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1
vote
2
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Method that reads an input file of a particular format and creates objects corresponding to the file
This is essentially a best practices question about reading a file and making sure it follows a specific format. My current implementation works, but it's a while ...
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Implementation of the `tac` command
As a C programming exercise, I implemented a minimal tac program that prints the input line by line starting from the last line.
I'm looking for feedback on my ...
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votes
1
answer
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Convenience function for writing files in CSV, JSON, etc
The McCabe code complexity of the following function is 19 as found by pytest --mccabe test.py (from my toy-project mpu). While ...
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Console based Vocabulary Trainer
This code was reworked and repostet in Console based Vocabulary Trainer Version 2
I wrote a console based Vocabulary Trainer to practice C++.
Its possible to add and remove vocabulary and practice ...
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File uploads in Laravel - Single and multiple
I have been reading up on file uploads in Laravel, reading through the documentation and looking at best practices. In my application, I have two instances: an upload area for single files, and an ...
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Creating lstlistings for Java files in multiple Java folders
I did write it to have a solution for my problem. But I don't know if my code is ok. Can you please check it?
Problem:
I want to include all my Java files from all my projects (created with Netbeans)...
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4
votes
1
answer
669
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Word counter for text files
I've made a program that works, but i want to make it reusable. This code reads in a dictionary object created in another class (that i made), as well as read in a text file to put in said dictionary ...
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votes
1
answer
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Reformatting Latin vocabulary sets from The Bridge
I am currently studying Latin from Wheelock's Latin. Given that a core component of language learning is memorizing vocabulary I needed somewhere I could memorize vocabulary, online, namely Quizlet (...
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191
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Find most frequent word in text file
Write a function that a receives file name of a txt file, which contains unknown number of words of max length 10 each. Print ...
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votes
4
answers
178
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Printing a file
The goal of this function is to print the contents of a file. Pretty much what the simple invocation of cat does.
Since C is famously hard, I am looking forward to your comments.
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2
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Read a file with transactions and sum all the revenue for each product ISBN
I am trying to improve the algorithms for the following code!
The problem I am trying to solve is that I have nested loops that don't look efficient. This includes the Sales_item.h file from C++ ...
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My own functions for working with files
I wrote the functions for opening a file, getting a file size and getting a file contents. I would welcome any suggestions to improve my code.
You might think I'm over-commenting the code. But I do ...
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Read and write BMP file in C
I'm teaching myself a little C, and I've found this website. It has an exercise about manipulating a BMP file in C. I would like to know if I can make my code look more "idiomatic" or professional, ...
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C++ program involving reading and displaying information from a file? [closed]
This is a program I made for practice in file handling in C++. The purpose of the program is to write three nos 1 2 and 3 into a file abc.dat and then read it and display it on the monitor. When I ...
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Program for swimmers to evaluate their training
This is a program that would allow the users to evaluate themselves on a swimming training, it saves the evaluation in a new text file with the date as a title. There are many repeated blocks of code ...
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votes
1
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73
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Function that reads big files in C
I made a function that writes all the data from a hashtable to a .txt file and another to read the said data.
The data comes from a this type of struct and it should be read into it when called
<...
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votes
1
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522
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Analog of unix word count (wc) in Java
I wrote implementation of unix console program word count "wc" in Java.
Please evaluate it. Is there any better solution?
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4
votes
2
answers
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Caesar cipher encryption
I've been studying C++ (my first language) for about two months with books and Udemy courses. I would like some comments about my first real project that I put together for my teacher.
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10
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2
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Writing a bitmap image from C++
Here's my function that creates a bitmap file from an array of pixels. It can write a bitmap both with transparency and without transparency. Please review my code and give constructive criticism on ...
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3
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File encryption with password
I would like to have my C# cryptography code reviewed.
I programmed an application that encrypts files with a password (provided by the user). It basically functions as a password manager, on the ...
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Java program to disturb user and waste SSD lifetime [closed]
This Program has three goals:
Disturbing the user that accidentally run this by opening a lot of windows
Creating a lot of files that waste the lifetime of SSD's
Destroying Overview and waste time - ...
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2
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Convert JSON from a webservice to text file
I get list JSON text from a webservice and list_of_columns is predefined, I need the output in that format. I am not sure about few things which are as follows
I ...
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votes
1
answer
383
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Read Local File
I'm trying to read any file locally and write out the binary as string, it loads and reads small files very fast.
How can I modifier it to read large files greater than 1gb without crashing the ...
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votes
1
answer
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Markov chains to generate text
This is my Python 3 code to generate text using a Markov chain.
The chain first randomly selects a word from a text file. Out of all the occurrences of that word in the text file, the program finds ...
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votes
2
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Using BufferedReader to read lines of a file into a list
To help improve my proficiency with Java, I would like to know how should I close these FileReaders as I have come across multiple answers, and what could I do better with this block of code?
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Arrange lines of a text file
This program orders the lines of a text file alphabetically and prints them out to a new text file.
Usage:
java Arranger input.txt output.txt
Is this the best ...
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1
answer
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Implementing a File class
I studying for a Python course. I was finished working on task about creating a file class which can read, write lines to file. This class also needs magic methods (...
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2
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868
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Uploading multiple files to server with PHP and JavaScript
I wrote some code to upload multiple files to a server with PHP and JavaScript. I'm happy with the form and JavaScript, below.
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1
answer
264
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File manipulation with Haskell
I am trying to pick up Haskell!
But I feel like my code is a bit painful to write and read.
Do you have any pointers on how to improve its readability / style?
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