Jake McHenry wrote:
> I then need that input to go into the spam.spam or spam.ham files as
> if I typed it all like:
>
> spam.spam file1 file2 file3 file4
>
> I can't figure out how to do this part, as I tried:
>
> grep 'nittany' * | cut -f 1 -d : | tr \\012 \\40 | spam.spam
>
> And
>
> spam.spam | grep 'nittany' * | cut -f 1 -d : | tr \\012 \\40
>
> Neither worked.
Of course not. With a pipe (the | symbol) the output of the first (left)
command is piped into the *standard input* (STDIN) of the second (right)
command. But you need the output as *arguments* of your command. The
solution is a subshell, usually done with backticks``. Caution: These
backticks are *not* the apostrophe (also called single quote) ' but the
accent grave!
So try
spam.spam ` grep -R 'email' * | awk -F: '{print $1}' | uniq | xargs \
echo -n `
(the backslash \ makes this work with the line break, if you issue it on
one line, just omit it) and
spam.spam ` grep 'nittany' * | cut -f 1 -d : | tr \\012 \\40 `
Best regards,
Martin Stricker
--
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