Re: Why `echo -n hello | while read v; do echo $v; done' prints nothing?

[Andreas Schwab]

"Clark J. Wang" <dearvoid@gmail.com> writes:

> Following command also prints nothing, confused :(
>
> for ((i = 0; i < 10; ++i)); do echo -n " $i"; done | while read v; do echo
> $v; done

$ printf . | { read v; echo $?; }
1

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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