#!/bin/perl -w
use strict;
use File::Find;
use Time::localtime;
use Data::Dumper;

package main;
#####################################################################
# final_search.pl - the miracle of searching & printing source path,
#                     filename, and source code line where used.
#
#   If you don't provide a directory path on the command line,
#     it will default to the current directory.
#
#####################################################################

my @Constants  =  (
    "fee",
    "fie",
    "foe",
    "fum"         );

my $day_of_year = localtime(time())->yday;
my $year        = localtime(time())->year + 1900;

my $path  = $ARGV[0] || ".";  # use the current directory or supplied path
my $count  = 0;
my $fname1 = "";
my $fname2 = "";
my $line   = "";
my $search_string = "";

print "\n   <<<<< Constants Search Script >>>>>   \n\n";

print "   >>> Today is the $day_of_year 'th day of $year <<<  \n\n";

sub wanted {
  my $fname1 = $File::Find::name;
  return unless $fname1 =~ /\.[ch]$/;
  push(@files, $fname1);
}

find(\&wanted, $path);

# print Dumper(\@files);   # Uncomment to check out the array

for $fname2 (@files) {
   open (INFILE, "$fname2") or warn "can't open file: $fname2 : $! ";

   while (<INFILE>) {
      $line = $_;
      for $search_string (@Constants) {
         if ($line =~ /\b$search_string\b/) {
            # print the path/filename:line number - the code line
            print "$fname2:$. - $line \n";
         }
      }
   }
   close (INFILE);
   ++$count;
}

print "\n <<<>>>  Searched $count files  <<<>>> \n";

print "\n";

# END - package main