From: bowman@montana.com   
      
   On Thu, 13 Mar 2025 14:38:45 -0700, Adam wrote:   
      
   > On 03/13/2025 01:44 PM, Lem Novantotto wrote:   
   >> Il Thu, 13 Mar 2025 12:56:42 -0700, Adam ha scritto:   
   >>   
   >>> I'm looking for AND (not OR) operator. So, both patterns must be in   
   >>> the file (not line) or FALSE is returned.   
   >>   
   >> $ ( grep -l pattern1 file | xargs grep -l pattern2 ) || false   
   >>   
   >> You can do it better. Read the manual of the involved commands, if you   
   >> like.   
   >>   
   >>   
   > Thanks, your post led me to...   
   >   
   > How can I search a file to see if it contains multiple patterns anywhere   
   > in the file?   
   > https://askubuntu.com/questions/1501703/how-can-i-search-a-file-to-see-   
   if-it-contains-multiple-patterns-anywhere-in-the   
   > ========================================================================   
   > waltinator's answer...   
   >   
   > It can be done using multiple grep commands. Read man grep xargs, and do   
   > something like   
   >   
   > grep -l 'pattern1' -f filelist | \   
   >      xargs grep -l 'pattern2` | \   
   >      xargs grep -l 'pattern3'   
   >   
   > The first grep produces a list of files containing the first pattern.   
   > The second (xargs grep) searches for the second pattern in the files   
   > containing the first pattern.   
   > ========================================================================   
      
   As a variation on that theme:   
      
   find . -name "*.c" | xargs grep foobar   
      
   Not what you asked for but handy.   
      
   --- SoupGate-DOS v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)