/usr/bin/blaze-remove is in blazeblogger 1.2.0-3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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# blaze-remove - removes a post or page from the BlazeBlogger repository
# Copyright (C) 2008-2011 Jaromir Hradilek
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation, version 3 of the License.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTA-
# BILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
# License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
use strict;
use warnings;
use File::Basename;
use File::Spec::Functions;
use Getopt::Long;
# General script information:
use constant NAME => basename($0, '.pl'); # Script name.
use constant VERSION => '1.2.0'; # Script version.
# General script settings:
our $blogdir = '.'; # Repository location.
our $prompt = 0; # Ask for confirmation?
our $verbose = 1; # Verbosity level.
# Command-line options:
my $type = 'post'; # Type: post or page.
my $removed = ''; # List of removed IDs.
# Set up the __WARN__ signal handler:
$SIG{__WARN__} = sub {
print STDERR NAME . ": " . (shift);
};
# Display an error message, and terminate the script:
sub exit_with_error {
my $message = shift || 'An error has occurred.';
my $return_value = shift || 1;
# Display the error message:
print STDERR NAME . ": $message\n";
# Terminate the script:
exit $return_value;
}
# Display a warning message:
sub display_warning {
my $message = shift || 'A warning was requested.';
# Display the warning message:
print STDERR "$message\n";
# Return success:
return 1;
}
# Display usage information:
sub display_help {
my $NAME = NAME;
# Display the usage:
print << "END_HELP";
Usage: $NAME [-fipqPV] [-b DIRECTORY] ID...
$NAME -h|-v
-b, --blogdir directory specify a directory in which the BlazeBlogger
repository is placed
-p, --page remove a page or pages
-P, --post remove a blog post or blog posts
-i, --interactive require manual confirmation of each removal
-f, --force do not require manual confirmation
-q, --quiet do not display unnecessary messages
-V, --verbose display all messages
-h, --help display this help and exit
-v, --version display version information and exit
END_HELP
# Return success:
return 1;
}
# Display version information:
sub display_version {
my ($NAME, $VERSION) = (NAME, VERSION);
# Display the version:
print << "END_VERSION";
$NAME $VERSION
Copyright (C) 2008-2011 Jaromir Hradilek
This program is free software; see the source for copying conditions. It is
distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PAR-
TICULAR PURPOSE.
END_VERSION
# Return success:
return 1;
}
# Read data from the INI file:
sub read_ini {
my $file = shift || die 'Missing argument';
# Initialize required variables:
my $hash = {};
my $section = 'default';
# Open the file for reading:
open(INI, "$file") or return 0;
# Process each line:
while (my $line = <INI>) {
# Parse the line:
if ($line =~ /^\s*\[([^\]]+)\]\s*$/) {
# Change the section:
$section = $1;
}
elsif ($line =~ /^\s*(\S+)\s*=\s*(\S.*)$/) {
# Add the option to the hash:
$hash->{$section}->{$1} = $2;
}
}
# Close the file:
close(INI);
# Return the result:
return $hash;
}
# Remove a record or records from the repository:
sub remove_records {
my $type = shift || 'post';
my $ids = shift || die 'Missing argument';
# Initialize required variables:
my @list = ();
# Process each record:
foreach my $id (@$ids) {
# Prepare the file names:
my $head = catfile($blogdir, '.blaze', "${type}s", 'head', $id);
my $body = catfile($blogdir, '.blaze', "${type}s", 'body', $id);
my $raw = catfile($blogdir, '.blaze', "${type}s", 'raw', $id);
# Enter the interactive mode if requested:
if ($prompt) {
# Parse header data:
my $data = read_ini($head);
# Check whether the ID exists:
unless ($data) {
# Display the appropriate warning:
display_warning("Unable to read the $type with ID $id.");
# Move on to the next ID:
next;
}
# Display the prompt:
print "Remove $type with ID $id titled `" .
($data->{header}->{title} || '') . "'? ";
# Skip removal unless confirmed:
next unless (readline(*STDIN) =~ /^(y|yes)$/i);
}
# Try to remove the record header:
if (unlink $head) {
# Remove the remaining record data:
unlink($body, $raw);
# Add the record to the list of successfully removed IDs:
push(@list, $id);
}
else {
# Report failure:
display_warning("Unable to remove the $type with ID $id.");
}
}
# Return the list of removed IDs:
return @list;
}
# Add the event to the log:
sub add_to_log {
my $text = shift || 'Something miraculous has just happened!';
# Prepare the log file name:
my $file = catfile($blogdir, '.blaze', 'log');
# Open the log file for appending:
open(LOG, ">>$file") or return 0;
# Write the event to the file:
print LOG localtime(time) . " - $text\n";
# Close the file:
close(LOG);
# Return success:
return 1;
}
# Set up the option parser:
Getopt::Long::Configure('no_auto_abbrev', 'no_ignore_case', 'bundling');
# Process command line options:
GetOptions(
'help|h' => sub { display_help(); exit 0; },
'version|v' => sub { display_version(); exit 0; },
'page|pages|p' => sub { $type = 'page'; },
'post|posts|P' => sub { $type = 'post'; },
'force|f' => sub { $prompt = 0; },
'interactive|i' => sub { $prompt = 1; },
'quiet|q' => sub { $verbose = 0; },
'verbose|V' => sub { $verbose = 1; },
'blogdir|b=s' => sub { $blogdir = $_[1]; },
);
# Check missing options:
exit_with_error("Wrong number of options.", 22) if (scalar(@ARGV) < 1);
# Check whether the repository is present, no matter how naive this method
# actually is:
exit_with_error("Not a BlazeBlogger repository! Try `blaze-init' first.",1)
unless (-d catdir($blogdir, '.blaze'));
# Remove the records from the repository:
my @list = remove_records($type, \@ARGV);
# End here unless at least one record was actually removed:
unless (@list) {
# Report abortion:
print "Aborted.\n" if $verbose;
# Return failure or success:
exit (($prompt) ? 0 : 13);
}
# Prepare the list of successfully removed IDs:
$removed = join(', ', sort(@list));
$removed =~ s/, ([^,]+)$/ and $1/;
# Log the event:
add_to_log("Removed the $type with ID $removed.")
or display_warning("Unable to log the event.");
# Report success:
print "Successfully removed the $type with ID $removed.\n" if $verbose;
# Return success:
exit 0;
__END__
=head1 NAME
blaze-remove - removes a post or page from the BlazeBlogger repository
=head1 SYNOPSIS
B<blaze-remove> [B<-fipqPV>] [B<-b> I<directory>] I<id>...
B<blaze-remove> B<-h>|B<-v>
=head1 DESCRIPTION
B<blaze-remove> removes a blog post or a page with the specified I<id> from
the BlazeBlogger repository.
=head1 OPTIONS
=over
=item B<-b> I<directory>, B<--blogdir> I<directory>
Allows you to specify a I<directory> in which the BlazeBlogger repository
is placed. The default option is a current working directory.
=item B<-p>, B<--page>, B<--pages>
Tells B<blaze-remove> to remove a page or pages.
=item B<-P>, B<--post>, B<--posts>
Tells B<blaze-remove> to remove a blog post or blog posts. This is the
default option.
=item B<-f>, B<--force>
Disables requiring manual confirmation of each blog post or page removal.
This is the default option.
=item B<-i>, B<--interactive>
Enables requiring manual confirmation of each blog post or page removal.
=item B<-q>, B<--quiet>
Disables displaying of unnecessary messages.
=item B<-V>, B<--verbose>
Enables displaying of all messages. This is the default option.
=item B<-h>, B<--help>
Displays usage information and exits.
=item B<-v>, B<--version>
Displays version information and exits.
=back
=head1 EXAMPLE USAGE
Remove a blog post:
~]$ blaze-remove 10
Successfully removed the post with ID 10.
Remove a page:
~]$ blaze-remove -p 4
Successfully removed the page with ID 4.
Remove multiple blog posts:
~]$ blaze-remove 10 4 6
Successfully removed the post with ID 10, 4 and 6.
Remove multiple blog posts safely:
~]$ blaze-remove -i 10 4 6
Remove the post with ID 10 titled `Debian and Fedora Packages'? y
Remove the post with ID 4 titled `BlazeBlogger 0.8.0 RC2'? y
Remove the post with ID 6 titled `BlazeBlogger 0.8.1'? y
Successfully removed the post with ID 10, 4 and 6.
=head1 SEE ALSO
B<blaze-config>(1), B<blaze-add>(1), B<blaze-list>(1)
=head1 BUGS
To report a bug or to send a patch, please, add a new issue to the bug
tracker at <http://code.google.com/p/blazeblogger/issues/>, or visit the
discussion group at <http://groups.google.com/group/blazeblogger/>.
=head1 COPYRIGHT
Copyright (C) 2008-2011 Jaromir Hradilek
This program is free software; see the source for copying conditions. It is
distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
=cut
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