How big the file can TextIO fetch and process

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I used TextIO api to process a txt file as size of 6,000KB and contains more than 5000 lines. My code can fetch the file and start to read, but will break before fully reading all lines. Does TextIO.read() has limitation for file size or number of lines to read?

Thank you for any feedback

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Sergei Minozhenko 23,091 on at

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RE: How big the file can TextIO fetch and process

Hi TianJerry,

Did you mean that myline variable has a string type? TextIO.read returns a container of values, not a string value.

docs.microsoft.com/.../gg957997(v=ax.60)
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RE: How big the file can TextIO fetch and process

You are right, It has limit for Str type. Let me try Memo instead.

Thanks Leo
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RE: How big the file can TextIO fetch and process

Hi Jerry,

Can you check if there is a size limit of your variable myline ?
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RE: How big the file can TextIO fetch and process

Thanks for quick reply, Martin

Actually the myline = myfile.read() variable contains only part of lines in txt file, such as if 5000 lines in txt file then only 3000 read into myline.
Martin Dráb 232,038 Most Valuable Professional on at

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RE: How big the file can TextIO fetch and process

Could you please elaborate what you mean by "will break"?