I strongly recommend that you use strictures (use strict; use warnings;). In this case you would have received a compile error complaining about using a 'bare word'.

You should also use the three parameter version of open and you should use lexical file handles. I've updated your code with these changes below:

use warnings;
use strict;

my $file = "D:/perl/02.log";
open my $inFile, '<', $file or die "cant open $file: $!";

# Look for errors
while (<$inFile>) {
    if (/^Status : ERRORS|\d+ failed/) {
        print "There are build errors (see line $.)\n";
        exit 0;
    }
}
[download]

Note that I also combined the commented out 'Status : ERRORS' test with the test you were using so that either string will be detected and I added the line number where the error line was found to the build errors message.

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