file_read_backwards | Memory efficient way of reading files line | File Utils library
kandi X-RAY | file_read_backwards Summary
kandi X-RAY | file_read_backwards Summary
Memory efficient way of reading files line-by-line from the end of file.
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Top functions reviewed by kandi - BETA
- Return the next line
- Adds content to the read buffer
- Close the stream
- Get what to read from fp
- Returns True iff the buffer has been returned
- Find the position of the first new line in the read buffer
- Read data until yieldable
- Return true if b is part of b
- Removes a single new line from a list
- Return whether the stream is yieldable
- Get the next chunk from a file
- Update the deploy password
- Prepend a line to a file
- Load yaml config file
- Save configuration to file
- Encrypt a password
- Load a PEM encoded public key
- Fetches the public key for a GitHub repo
file_read_backwards Key Features
file_read_backwards Examples and Code Snippets
Community Discussions
Trending Discussions on file_read_backwards
QUESTION
I am trying to extract data from a .txt file in Python. My goal is to capture the last occurrence of a certain word and show the next line, so I do a reverse () of the text and read from behind. In this case, I search for the word 'MEC', and show the next line, but I capture all occurrences of the word, not the first.
Any idea what I need to do?
Thanks!
This is what my code looks like:
...ANSWER
Answered 2019-Aug-30 at 14:42Get rid of the extra imports and overhead. Read your file normally, remembering the last line that qualifies.
QUESTION
I have a relatively small python program that I want to convert to a windows executable. It was originally written with Pycharm and runs normally in it.
It consists of two .py files that I have written and some libraries (all installed from pip).
I am trying to do my job with cx_Freeze but not with much success. My setup.py is this:
...ANSWER
Answered 2018-Sep-02 at 18:12There is probebly a better answer, but I would just use python threading. You can combine both scripts into one and run them at the same time.
Here is a threading example:
QUESTION
I may be approaching this all wrong but still this is where I'm at. I have very large log files I'm trying to search, up to 30gb in some cases. I'm writing a script to pull info and have been playing with multi process to speed it up a bit. right now I'm testing running two functions at the same time to search from the top and bottom to get results, which seems to work. I'm wondering if it's possible to stop one function one a result from the other. Such as if the top function finds a result they both stop. This way I can build it out as needed.
...ANSWER
Answered 2017-Nov-16 at 05:14Here's a proof-of-concept of the approach I mentioned in the comments:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install file_read_backwards
You can use file_read_backwards like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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