Issue #19193 has been updated by usa (Usaku NAKAMURA).
The most important reason we are keeping "text
mode" at reading is backward interoperability for old files.
agree.
Are many of text files using LF newlines nowadays on
Windows?
I don't think so.
For example, Excel 2021 outputs CRLF newlines when creating a CSV file.
Reading as text mode and writing as binary mode by default seems to be a reasonable
chioice.
But are the complexity acceptable bv users?
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Feature #19193: drop DOS TEXT mode support
https://bugs.ruby-lang.org/issues/19193#change-100568
* Author: YO4 (Yoshinao Muramatsu)
* Status: Assigned
* Priority: Normal
* Assignee: usa (Usaku NAKAMURA)
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On Windows platform, ```File.open(path, "r")``` returns an object different from
"rt" and "rb". I call that DOS TEXT mode here.
DOS TEXT mode does
* crlf conversion
* 0x1a treated EOF charactor on read
and others (see Bug #19192).
But DOS TEXT mode is almost unnecessary today and it seems to introduce lot of code
complexities.
Now there is less need for dos text mode
* Microsoft's most apps works without CRLF newline.
* Creating a crlf text file today should be explicit. (but that is default mode on windows
now)
* Interpreting EOF charactor can cause trouble.
I think it's time to consider dropping DOS TEXT mode.
What challenges are there and what preparation is needed?
--
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