On Sun, May 11, 2014 at 11:31 AM, Shantanu Unknown
<shantanu9...@hotmail.com> wrote:

> I am trying to use gnu parallel and grep as follows
>
> cat tmp | parallel -j1 grep  "^{} " ~/datafile.txt

The "^{} " gets unquoted, so you need to quote that one more time. It
can be done like this:

cat tmp | parallel -j1 grep "^{}\ " ~/datafile.txt
cat tmp | parallel -q -j1 grep "^{} " ~/datafile.txt
cat tmp | parallel -j1 grep '"^{} "' ~/datafile.txt

/Ole

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