Bugs item #1633941, was opened at 2007-01-12 11:34
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Category: Python Library
Group: Python 2.5
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Matthias Klose (doko)
Assigned to: Nobody/Anonymous (nobody)
Summary: for line in sys.stdin: doesn't notice EOF the first time 

Initial Comment:
[forwarded from http://bugs.debian.org/315888]

for line in sys.stdin: doesn't notice EOF the first time when reading from tty.

The test program:

    import sys
    for line in sys.stdin:
            print line,
    print "eof"

A sample session:

    [EMAIL PROTECTED] python foo.py
    foo         <--- I pressed Enter and then Ctrl-D
    foo         <--- then this appeared, but not more
    eof         <--- this only came when I pressed Ctrl-D a second time
    [EMAIL PROTECTED]

Seems to me that there is some buffering issue where Python needs to
read end-of-file twice to notice it on all levels. Once should be 
enough.



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