From: trepidation@example.net   
      
   On 14 Mar 2025 02:58:58 GMT, rbowman wrote:   
   > 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.   
      
   _IF_ your 2 text strings occur in a specific sequence   
      
   	$ grep "STRING1.*STRING2" FILE.NM   
      
   Jonesy   
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