UNIX for Dummies Questions & Answers

Hi all,

I need help to figure out this grep. I would like to search all files in a directory for the occurrence of abc AND xyz. I started with this:

grep -i abc * | grep xyz

But this only returns lines which contain both values on the same line. So I am thinking that I need to do something like this:

Get a list of files containing abc:
grep -il abc *

Pipe that list into another grep to search the files for xyz:
???

Thanks in advance.

You mean like this?

Code:

grep -li abc * |
while read file; do
  grep xyz "$file" >/dev/null || continue
  echo "$file contains both abc and xyz"
done

You can use egrep:

Code:

egrep "abc|xyz" *

Regards

That will find either; I understand khearnen wanted to find files which match both expressions.

You're right, I misread the question.

Regards

The pipe into 'while read file' worked perfectly.