Could could make this code a lot cleaner. Notably, that mess of splits and data assignments at the top, using `ls` when you should be using readdir, and scoping of variables.

Here's what i came up with after five minutes:

sub PRINT_INFO {
    my ($netid, $sitename, $sector) = @_;
    my $DAILY_HEAD = "Date       Total";
 
    $,="\t";    #Output Field Separator
 
    my $report_type = 'Daily Totals';
    my $MARKET = 'PHL';
 
    my $DAILY_PATH = "/data1/$MARKET/reports";
    my $BUSY_PATH = "/data1/$MARKET/bhreports";
    my $PKD_PATH = "/data1/$MARKET/pkdreports";
    my $MISC_PATH = "/data1/$MARKET/miscreports";
    my $MDG_PATH = "/data1/$MARKET/mdgreports";
 
    my $cellname = "$sitename Sector $sector";
    my $search_string = "\Q$netid";
 
    print "$cellname\n";
 
    opendir DIR, $DAILYPATH;
    my @all_readable_files = grep { ($_ ne '.') && ($_ ne '..') && ($_
+ !~ /\.Z//) } readdir DIR;
    closedir DIR;
 
    print "$DAILY_HEAD\n";
 
    my $file;
    foreach $file (@all_readable_files) {
        my $date = substr ($file, 0 , (index $file, '_'));
 
        open(FILE, "$DAILY_PATH/$file");
        @DATA=<FILE>;
        @result = grep { (index $_, $search_string) > -1 } @DATA;
        for ( $i = 0; $i <= $#results; $i++ ) {
            my $info = (split('    ', $result[$i]))[7];
            print $date , $info . "\n";
        }
        close FILE;
    }
}
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