Better-Config-File.cgi-pl,v 1.7 2009/01/23 12:13:12 lam Exp lam Program Source

Better-Config-File.cgi-pl,v 1.7 2009/01/23 12:13:12 lam Exp lam Program Source

#!/usr/bin/perl
# $Id: Better-Config-File.cgi-pl,v 1.7 2009/01/23 12:13:12 lam Exp lam $

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

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

my $ProgramHead1 = "<center><h1><a href=" . '"/About/Program/Better-Config-File">'
       . "Better Configuration File</a> parameters</h1>\n\n";

my $cfDir = '/etc/LAM'; my $cfFile = "$cfDir/Better-Configuration-File.conf";
open (CONFIG, $cfFile)                                 # Open configuration file
 or LAM::displayPage('-e', "Cannot open configuration file",   # or report error
  "\nConfiguration file: <b>$cfFile</b> NOT opened!\n",
  "Run time error: $0<br>Configuration file: $cfFile NOT opened!<br><b>$!</b>\n"
  . "$ProgramHead1\n");

# modified from Perl Cookbook 8.16 Reading Configuration files

my %configParameter = (); # Define a hash!

while(<CONFIG>) {          # Load parameters from configuration file into a hash
    chomp;        # strip newline
    s/#.*//;      # strip comments
    s/^\s+//;     # strip leading white space
    s/\s+$//;     # strip trailing white space
    next unless length; # skip empty lines
    last unless not m/z End of Basic Better Configuration paramters/;
    my ($var, $value) = split(/\s*=\s/, $_, 2);
    $configParameter{$var} = $value;
}                    # End - Load parameters from configuration file into a hash

my $h2 = "<h2>File: $cfFile</h2>\n</center>\n\n";         # Define some headings

my $table = "<table border>\n";                       # Start a table definition

my $tr1 = '<tr><td align=right>';                      # Define table boundaries
my $tr2 = '</td></tr>';

# modified from Perl Cookbook 5.5 printing a Hash and 5.4 Traversing a Hash
# with 5.9 Sorting a Hash included as an afterthought.

foreach my $key (sort keys %configParameter) { # for each parameter by name
    my $value = $configParameter{$key};        # retrieve value for name
    my $bGcolor = 'white';                     # Set default background color
    if ($value eq '') {$bGcolor = 'yellow'}    # Highlight keys with no value
    $table .= "$tr1$key:</td><td bgcolor=$bGcolor>$value$tr2\n" # add table row
}
$table .= "</table>\n\n";                             # End the table definition

my $text =  LAM::getTextFile($cfFile);     # Get the RAW configuration file text

LAM::displayPage('-c', '-t', " LAM Alaska Better Configuration File parameters",
 '', $ProgramHead1 . $table . $h2    # Display both formatted parameters and RAW file data
. textarea({-name=>'Configuration File', -wrap=>'soft', -rows=>32, -columns=>85,
    -value=>$text, -READONLY=>1}));                 # with LAM style and menuBar

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