I have what looked to me as a simple operation but cannot find a solution. I need to search through files in a directory with lines containing str1 AND str2. There are several examples of str1|str2 e.g. grep -r "str1|str2" . But nothing for str1 AND str2. Can anyone provide a solution. This should be a common problem.
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Zsolt Botykai
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doon
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2duplicate http://stackoverflow.com/questions/6480687/grep-for-2-words-existing-on-the-same-line – Srujan Kumar Gulla Jan 02 '13 at 19:08
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You can do something like:
egrep 'str1.*str2|str2.*str1' FILES
with egrep. Or with positive lookahead/behind regexes. Read the manual.
Zsolt Botykai
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It is a common problem and here is the common solution:
awk '/str1/&&/str2/' file
Ed Morton
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You didn't ask this, but if you want files that contain both str1 and str2 but not on the same line:
grep str2 $(grep -l str1)
Andy Lester
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