This question already has answers here: Text editor to open big (giant, huge, large) text files [closed] (2 answers) Closed 6 years ago. I have a .txt file whose memory is more than 2 GB. The problem is I cannot open it with Notepad, Notepad++ or any other editor programs. Any solutions? 10 Answers 10
Is there an easy way to programmatically determine the number of lines within a text file? 11 Answers 11
This question already has answers here: How to recursively list all the files in a directory in C#? (23 answers) Closed 9 years ago. I wanted to know if it is possible to get all the names of text files in a certain folder. For example, I have a folder with the name Maps, and … Read more
I received some text that is encoded, but I don’t know what charset was used. Is there a way to determine the encoding of a text file using Python? How can I detect the encoding/codepage of a text file deals with C#. 14 Answers 14
I want to read a text file line by line. I wanted to know if I’m doing it as efficiently as possible within the .NET C# scope of things. This is what I’m trying so far: var filestream = new System.IO.FileStream(textFilePath, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.ReadWrite); var file = new System.IO.StreamReader(filestream, System.Text.Encoding.UTF8, true, 128); while ((lineOfText = … Read more
I am writing a batch file script using Windows command-line environment and want to change each occurrence of some text in a file (ex. “FOO”) with another (ex. “BAR”). What is the simplest way to do that? Any built in functions? 30 s 30 A lot of the answers here helped point me in the … Read more
I need to append text repeatedly to an existing file in Java. How do I do that? 3Best Answer 31
In Java, I have text from a text field in a String variable called “text”. How can I save the contents of the “text” variable to a file? 23 s 23 If you’re simply outputting text, rather than any binary data, the following will work: PrintWriter out = new PrintWriter(“filename.txt”); Then, write your String to … Read more
How do I get a line count of a large file in the most memory- and time-efficient manner? def file_len(filename): with open(filename) as f: for i, _ in enumerate(f): pass return i + 1 4 44
I assume everyone here is familiar with the adage that all text files should end with a newline. I’ve known of this “rule” for years but I’ve always wondered — why? Best Answer Because that’s how the POSIX standard defines a line: 3.206 Line A sequence of zero or more non- <newline> characters plus a … Read more
