How can I open a file in Python and read its contents in bytes?

Answered on : 2024-01-24

Sources

python - Reading binary file and looping over each byte

stackoverflow.com

1

Reading binary files in Python

pythonmorsels.com

2

Reading binary files in Python

geeksforgeeks.org

3

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To open a file in Python and read its contents in bytes, you can use the following code:

```python

with open("myfile", "rb") as f:

while (byte := f.read(1)):

# Do something with each byte

```

Here's a breakdown of the code:

1. `open("myfile", "rb")`: Opens the file named "myfile" in binary mode ("rb").

2. `with ... as f`: Ensures proper handling of resources.

3. `while (byte := f.read(1)):`: Reads the file one byte at a time and iterates through each byte.

4. Inside the loop, you can perform operations on each byte.

This approach ensures efficient handling of binary files[1][2][3].

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