read file in binary mode

[blue83]

How to read file .jpg or .pdf in binary mode to be ready for upload with API?

thanks,
blue

[Smile_]

Code: Select all

Filename := "path\to\the\file"
File := FileOpen(Filename, "r")
File.RawRead(BinData, FileLen := File.Length())

Msgbox % Filename " size: " FileLen " bytes`nFirst 2 bytes: " NumGet(BinData, 0, "UChar") " " NumGet(BinData, 1, "UChar")

[just me]

FileRead -> *c

[blue83]

Hi,

Thank you for answers, but still I am missing something.

In Python code is:

Code: Select all

file = open("Capture.jpg", 'rb')
print(file)

Output is: <_io.BufferedReader name='Capture.jpg'>

That works, but I am trying to translate that code into ahk.

Caputre.jpg has 49KB, but after uploading with API has 50 KB, and can not be open.

Thanks,
blue

[just me]

I don't know Python, but I assume we don't need the output of print(file). What a you trying to do with the read sata?

[blue83]

I am trying upload file using API.

For now my biggest problem is when I read that file like you and @Smile_ said I get some strange Chinese sings?!?

Blue

[just me]

When do you get 'strange signs'?

[blue83]

When I put variable in msgbox.

[just me]

You cannot display binary data with a MsgBox or other AHK commands/functions expecting a string.

[blue83]

Aha ok

[Smile_]

Take a look
Python:

Code: Select all

import binascii
import os 
cwd = os.path.dirname(os.path.realpath(__file__))
File = open(cwd + "\\Capture.jpg", 'rb')
print(binascii.hexlify(File.read()))

Auto-Hotkey:

Code: Select all

Filename := "Capture.jpg"
File := FileOpen(Filename, "r")
File.RawRead(BinData, FileLen := File.Length())
Loop, % FileLen
    Out .= Format("{:X}", NumGet(BinData, A_Index - 1, "UChar"))
FileAppend, b'%Out%', Out.txt

The python output and the text file content 'Out.txt' (Auto-Hotkey output) are the same, so I think the problem some where else in your code.

[blue83]

Thank you @Smile_ for clarification.

I was 99% sure that this is the reason, but I will try to find another way.

At the end this is good post for someone else with same problem.

Blue