df.cgi-pl,v 1.8 2017/02/14 06:15:23 lam Exp lam Program Source

df.cgi-pl,v 1.8 2017/02/14 06:15:23 lam Exp lam Program Source

#!/usr/bin/perl
# $Id: df.cgi-pl,v 1.8 2017/02/14 06:15:23 lam Exp lam $


use LAM::LAM qw(displaySource displayPage);                # Lexicon Abstact Map
use CGI qw(:all);                        # Perl Common Gateway Interface package
use strict;                            # Force me to use strict variable syntax.
use warnings;                                             # Enable all warnings.

LAM::displaySource();                 # Display source, rlog, etc. if requested.

my $hostName = qx(uname -n | cut --delimiter=. --fields=1);   # Report Host Name

my $dfCommand = '/bin/df -Th -x supermount';
if ((param('tmpfs') == 0))  # Use tmpfs=1 to include temp file systems in report
 {$dfCommand .= ' --exclude-type=tmpfs --exclude-type=devtmpfs'}
my $result = qx($dfCommand);  # Get results: file system disk space usage report

my @lines = split /^/, $result;             # Split result into individual lines
my $line_number = 0;                          # Set line number and table header
my $table_text = "<table border>\n<tr><td>Filesystem</td><td>Type</td><td>Size"
  . "</td>\n<td>Used</td><td>Available</td><td>Use%</td><td>Mounted on</td>"
  . "</tr>\n";
my $next_column_1 = '';
foreach my $line (@lines) { $line_number ++;             # Increment line number
     my @columns = split /\s+/, $line;                 # Split line into columns
     my $column_count = @columns;
CASE: {
 if ($line_number == 1) { last CASE; }                 # Ignore Header line data
 if ($column_count == 1) {                 # Save Incomplete line data for later
   $next_column_1 = $columns[0];
   last CASE;                               # continue processing with next line
 }
 if ($next_column_1 ne '') {                                   # Load saved data
   $columns[0] = $next_column_1; $next_column_1 = ''; }
 $table_text .= '<tr>';                                  # format as a table row
 my $column_number = 0;
 foreach my $column (@columns) { $column_number  ++;
   if ($column_number == 3 or $column_number == 4 or $column_number == 5
   or $column_number == 6) { $table_text .= "<td align=right>$column</td>"; }
   else { $table_text .= "<td>$column</td>"; }
 }
 $table_text .= "</tr>\n";                                   # end of table rows
}
}
$table_text .= "</table>\n";                                      # end of table

LAM::displayPage('-c', '-i', 'LAM', '-t', "$hostName disk usage", '',
    center(h1('LAM Alaska'). "\n".
    h2("$hostName file system disk space usage report"). "\n". $table_text ))

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