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SlowCoder74

Upper limit to FileRead?

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Googling terms

AutoIt3 FileRead Maximum

I get this thread, which links to another pertinent thread:

AutoIt may have updated in the meantime. But even so, it's probably better to process large files in chunks. Maybe make a call to get the file size first. Then decide how to process it.

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We hit the limit some months ago. To sum it up: Theoretically the string to receive the bytes read by FileRead can contain up to 2GB of data. In practice the size is limited by the amount of contiguous storage that can be obtained from the operating system. This is usually between 200MB and 500MB.

So I would advise to read the file in chunks you can easily manage.


My UDFs and Tutorials:

Spoiler

UDFs:
Active Directory (NEW 2020-10-10 - Version 1.5.2.1) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX (NEW 2020-06-30 - Version 1.6.2.0) - Download - General Help & Support - Example Scripts - Wiki
OutlookEX_GUI (NEW 2020-06-27 - Version 1.3.2.0) - Download
Outlook Tools (2019-07-22 - Version 0.6.0.0) - Download - General Help & Support - Wiki
ExcelChart (2017-07-21 - Version 0.4.0.1) - Download - General Help & Support - Example Scripts
PowerPoint (2017-06-06 - Version 0.0.5.0) - Download - General Help & Support
Excel - Example Scripts - Wiki
Word - Wiki
Task Scheduler (2019-12-03 - Version 1.5.1.0) - Download - General Help & Support - Wiki

Tutorials:
ADO - Wiki, WebDriver - Wiki

 

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