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[DOC] Clarify that IO.read uses text mode

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See: https://bugs.ruby-lang.org/issues/18882#note-13

[Bug #18882]
This commit is contained in:
Alan Wu 2022-08-03 10:47:12 -04:00
parent ce6dc9f660
commit f1057393da
Notes: git 2022-08-06 03:34:33 +09:00 
Merged: https://github.com/ruby/ruby/pull/6212
1 changed files with 5 additions and 1 deletions
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io.c
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@ -11776,12 +11776,16 @@ seek_before_access(VALUE argp)
* IO.read('| cat t.txt') * IO.read('| cat t.txt')
* # => "First line\nSecond line\n\nThird line\nFourth line\n" * # => "First line\nSecond line\n\nThird line\nFourth line\n"
* *
* With only argument +path+ given, reads and returns the entire content * With only argument +path+ given, reads in text mode and returns the entire content
* of the file at the given path: * of the file at the given path:
* *
* IO.read('t.txt') * IO.read('t.txt')
* # => "First line\nSecond line\n\nThird line\nFourth line\n" * # => "First line\nSecond line\n\nThird line\nFourth line\n"
* *
* On Windows, text mode can terminate reading and leave bytes in the file
* unread when encountering certain special bytes. Consider using
* IO.binread if all bytes in the file should be read.
*
* For both forms, command and path, the remaining arguments are the same. * For both forms, command and path, the remaining arguments are the same.
* *
* With argument +length+, returns +length+ bytes if available: * With argument +length+, returns +length+ bytes if available: