Replace your comment block with something like

while( <FILE> ) {
    print "Found $1 in $file; line $. :offset $-[0]" 
        if /(PASS)/
        or /(sweeps)/ 
        or /(Final)/;
}
[download]

You don't say what you want to do if you find a match, or whether a match means you found any of your three words or all of your three words. The above will do the former but breaking the if into 3, setting a flag for each and taking some action (like leaving the loop early) if all 3 flags are set would be one way to do the later.

opendir(DIR, $some_dir) || die "can't opendir '$some_dir': $!";
while ($file = readdir(<DIR>)) {
   if ($file =~ /Somthing/){
         my  $fullpath = "$some_dir/$file";
         open(FILE, $fullpath) or die "can't open file '$fullpath' for
+ reading: $!";
         while(<>) {
             if( m/PASS/ ) {
                 print $_;
             }
         }
         # look around ... I'm sure you can find examples
         # of reading files line by line
         close(FILE);
    }
close(DIR);
[download]

BrowserUK's solution implies that you want to do something with a file if it contains one of the words 'PASS', 'sweeps', 'Final', but from your post, I take it a file should match all three of them. The following code snippet should do that.

   open(FILE, "$some_dirr/$file")
       or die("can't open $file");
   my ($PASSmatch, $sweepsmatch, $Finalmatch);
   while (<FILE>) {
       if (/\bPASS\b/) {
           $PASSmatch = 1;
       } elsif (/\bsweeps\b/) {
           $sweepsmatch = 1;
       } elsif (/\bFinal\b) {
           $Finalmatch = 1;
       }
   }
   close(FILE);
   if ($PASSmatch && $sweepsmatch && $Finalmatch) {
       # do whatever with this file.
   }
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Hope this helps, -gjb-

I agree with your reading of the post (I wonder if biggin777 does too...), and with your approach (well, erm, if you're scanning through a directory, then it seems a bit harsh to die because open fails on a given file).

Anyway, since the files are big, it would be nice to exit the while loop ASAP. Granting that all three conditions need to be met to trigger further processing, there's no point in keeping track of them separately:

my @keepers;

opendir(DIR, $some_dir) || die "can't opendir $some_dir: $!";
while ($file = readdir(<DIR>)) {
   if ($file =~ /Somthing/ and -f $file and open(FILE, $file) {
      my $pass = 0;
      while (<FILE>) {
         $pass++ if (/\b(?:PASS|sweeps|Final)\b/);
         last if ( $pass == 3 );
      }
      close FILE;
      push @keepers, $file if ( $pass == 3 );
   }
}
# now do whatever needs to be done with @keepers.
[download]

(or maybe something needs to be done with @keepers in that same while loop? but that might complicate things a lot; perhaps there'll be another question from biggin777 about that in a little while...)

update: Thanks to AM's very astute reply below, I see where it might be important to keep track of each different condition separately. To keep it brief, I would just set a different bit for each condition:

 ...
      my $pass = 0;
      while (<FILE>) {
         $pass |= 1 if ( /\bPASS\b/ );
         $pass |= 2 if ( /\bsweep\b/ );
         $pass |= 4 if ( /\bFinal\b/ );
         if ( $pass == 7 ) {
            push @keepers, $file;
            last;
         }
      }
 ...
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With this code if you put PASS sweeps FINAL on the same line, it fails. Also, you do not designate which words you've seen. As such, the file could say PASS on each line and the program will accept it. Too bad the files are so big as you could otherwise have one line inside your while ($file ... loop:

push @keepers, $file if $file=~/Something/ and -f $file and 3 == @{ [ 
+do { my @a= (my $temp = do{local(*ARGV,$/)=[$file];<>}) =~ /\b(PASS|s
+weeps|Final)\b/g;my %b;undef @b{@a};keys %b } ] };
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Yeah, no error checking or anything. :)

Anonymously yours
Anonymous Monk

$result = `/usr/xpg4/bin/grep -e PASS -e sweeps -e Final -q $filename`
+;
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Try to look at module File::Find::Rule. I think it will help you to resolve your problem.

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