sys.stdin.readline()

[Grant Edwards]

On 2004-08-31, Mike Maxwell <maxwell at ldc.upenn.edu> wrote:

> When I invoke readline() in a for loop, why does it return a series of
> one-char strings, rather than the full line?
>
>>>> for sL in sys.stdin.readline(): print sL
> ...
> abc
> a
> b
> c
>
> (I typed in 'abc', and the loop printed out 'a\nb\nc\n')
>
> I.e. how can I make readline() wait for the newline before returning a
> value?

It is.

> 'readline()' seems to be acting exactly like 'read()' here.

Sort of.

What you want is:

import sys
while True:
    s = sys.stdin.readline()
    if not s:
        break
    print s
    
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