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open read and close a file in 1 line of code
... and explicit:
with open('pagehead.section.htm','r') as f:
output = f.read()
Now it's just two lines and pretty readable, I think.
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What is the perfect counterpart in Python for “while not EOF”
To read some text file, in C or Pascal, I always use the following snippets to read the data until EOF:
7 Answers
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How do I use Java to read from a file that is actively being written to?
...ermine pass/failure/correctness of the application. I'd like to be able to read the file as it is being written so that I can do these pass/failure/correctness checks in real time.
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Android read text raw resource file
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What if you use a character-based BufferedReader instead of byte-based InputStream?
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
String line = reader.readLine();
while (line != null) { ... }
Don't forget that readLine() skips the...
How do I read an entire file into a std::string in C++?
How do I read a file into a std::string , i.e., read the whole file at once?
15 Answers
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Read binary file as string in Ruby
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First, you should open the file as a binary file. Then you can read the entire file in, in one command.
file = File.open("path-to-file.tar.gz", "rb")
contents = file.read
That will get you the entire file in a string.
After that, you probably want to file.close. If you don’t do tha...
How to read a large file - line by line?
...want to iterate over each line of an entire file. One way to do this is by reading the entire file, saving it to a list, then going over the line of interest. This method uses a lot of memory, so I am looking for an alternative.
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Reading from text file until EOF repeats last line [duplicate]
The following C++ code uses a ifstream object to read integers from a text file (which has one number per line) until it hits EOF . Why does it read the integer on the last line twice? How to fix this?
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Parsing huge logfiles in Node.js - read in line-by-line
...since they processed the files not line by line (like 1 , 2 , 3 , 4 ..) or read the entire file to memory
The following solution can parse very large files, line by line using stream & pipe. For testing I used a 2.1 gb file with 17.000.000 records. Ram usage did not exceed 60 mb.
First, instal...
How to detect READ_COMMITTED_SNAPSHOT is enabled?
...ation level set via the T-SQL command ALTER DATABASE <database> SET READ_COMMITTED_SNAPSHOT ON;
3 Answers
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