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Showing posts with the label File Io

How To Open An Ascii-encoded File As Utf8?

My files are in US-ASCII and a command like a = file( 'main.html') and a.read() loads them … Read more How To Open An Ascii-encoded File As Utf8?

How To Efficiently Remove The First Line Of A Large File?

This question has already been asked here and here, but none of the solutions worked for me. How do… Read more How To Efficiently Remove The First Line Of A Large File?

Python Multiprocessing Using Queue To Write To Same File

I know there are many post on Stack Exchange related to writing results from multiprocessing to sin… Read more Python Multiprocessing Using Queue To Write To Same File

Python 3.2: Ioerror: [errno 22] Invalid Argument: '/home/pi/data/temp/file1\n.txt'

I am a newbie to python programming. I have a counter.txt file from which i am reading the counter … Read more Python 3.2: Ioerror: [errno 22] Invalid Argument: '/home/pi/data/temp/file1\n.txt'

Load Compressed Data (.npz) From File Using Numpy.load

I have an array: >>> data = np.ones((1,3,128)) I save it to file using savez_compressed: … Read more Load Compressed Data (.npz) From File Using Numpy.load

Python Split Url To Find Image Name And Extension

I am looking for a way to extract a filename and extension from a particular url using Python lets … Read more Python Split Url To Find Image Name And Extension

Python Error Os.walk Ioerror

I tried to track the file with server in the filename and i can print all the file in directory wit… Read more Python Error Os.walk Ioerror

Writing Huge Strings In Python

I have a very long string, almost a megabyte long, that I need to write to a text file. The regular… Read more Writing Huge Strings In Python

Ensuring That My Program Is Not Doing A Concurrent File Write

I am writing a script that is required to perform safe-writes to any given file i.e. append a file … Read more Ensuring That My Program Is Not Doing A Concurrent File Write

Redirect Output Of A Function That Converts Pdf To Txt Files To A New Folder In Python

I am using python 3. My code uses pdfminer to convert pdf to text. I want to get the output of thes… Read more Redirect Output Of A Function That Converts Pdf To Txt Files To A New Folder In Python

Python: Traceback Codecs.charmap_decode(input,self.errors,decoding_table)[0]

Following is sample code, aim is just to merges text files from give folder and it's sub folder… Read more Python: Traceback Codecs.charmap_decode(input,self.errors,decoding_table)[0]

Processing Lines Of Text File Between Two Marker Lines

My code processes lines read from a text file (see 'Text Processing Details' at end). I ne… Read more Processing Lines Of Text File Between Two Marker Lines

"oserror: [errno 22] Invalid Argument" When Read()ing A Huge File

I'm trying to write a small script that prints the checksum of a file (using some code from htt… Read more "oserror: [errno 22] Invalid Argument" When Read()ing A Huge File

Reading Non-uniform Data From File Into Array With Numpy

Suppose I have a text file that looks like this: 33 3 46 12 23 10 23 11 23 12 23 13 23 14 23 … Read more Reading Non-uniform Data From File Into Array With Numpy

File Too Large Python

I am writing to a file using python. The script suddenly stops running and throws an 'IOError: … Read more File Too Large Python

How To Read A File As It Is Being Written In Real Time With Python 3 And Asyncio, Like "tail -f"

I want to write a Python program on Linux that reads a log file in real time as it is being written… Read more How To Read A File As It Is Being Written In Real Time With Python 3 And Asyncio, Like "tail -f"

How To Make Sure A File Exists Or Can Be Created Before Writing To It In Python?

I'm writing a function and I want it to touch a file so that I can write to that file. If the f… Read more How To Make Sure A File Exists Or Can Be Created Before Writing To It In Python?

Write Zeros To File Blocks

I'm attempting to identify the blocks that are tied to a specific file and write zeros to them.… Read more Write Zeros To File Blocks

How To Append Data To Text File In Python 2.7.11?

Could any one show me how i can add hyperlinks to new line in text file? If there is already data i… Read more How To Append Data To Text File In Python 2.7.11?

Why Does Saving/loading Data In Python Take A Lot More Space/time Than Matlab?

I have some variables, which include dictionaries, list of list, and numpy arrays. I save all of th… Read more Why Does Saving/loading Data In Python Take A Lot More Space/time Than Matlab?