From: adam@no_thanks.com   
      
   On 03/13/2025 12:16 PM, Paul wrote:   
   > On Thu, 3/13/2025 2:17 PM, Adam wrote:   
   >>   
   >> The following ...   
   >>   
   >> grep -e pattern1 -e pattern2 wget_output_file.txt   
   >>   
   >> is NOT giving the result that I'm looking for, which is BOTH patterns must   
   be in the file.   
   >   
   > "The egrep variant supports an extended regular expression syntax added by   
   Alfred Aho   
   >   after Ken Thompson's original regular expression implementation.[12]   
   >   
   >   The "fgrep" variant searches for any of a list of fixed strings using   
   >   the Aho–Corasick string matching algorithm."   
   >   
   > *******   
   >   
   > sample.txt   
   > ----------   
   > I am a cat   
   > I am a dog   
   > I am a cat or a dog   
   > I am an elephant   
   >   
   > (stdout)   
   >   
   > $ egrep "cat|dog" sample.txt   
   > I am a cat   
   > I am a dog   
   > I am a cat or a dog   
   >   
   > "If at first you don't grep, try try again... with a egrep or a fgrep" :-)   
   >   
   > It's a good thing these are documented.   
   >   
   >      Paul   
   >   
      
   I'm looking for AND (not OR) operator. So, both patterns must be in the   
   file (not line) or FALSE is returned.   
      
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