scripting in b shell

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November 25th, 2005, 06:22 PM

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scripting in b shell

how can I lines from grep?

can't I just do

while read x
do
echo x
done < `grep -v "^$" test.txt`

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Thank you for any help.

November 26th, 2005, 03:25 AM

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> and < redirect to files. For processes, you have to use a pipe. (note that I also removed the backticks)

Code:

grep -v "^$" test.txt | while read x
do
  echo x
done

(untested)

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Manuel Hirsch - Linux, FreeBSD, programming, administration articles, tutorials and more.

November 26th, 2005, 03:26 AM

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Quote:

Originally Posted by M.Hirsch

> and < redirect to files. For processes, you have to use a pipe. (note that I also removed the backticks)

Code:

grep -v "^$" test.txt | while read x
do
  echo x
done

(untested)

... Also, you should escape the "$" to "\$" or the shell may think that you're referring to a variable.

M.

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