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#!/usr/bin/perl
eval 'exec perl -S $0 "$@"'
if 0;
#############################################################################
# podchecker -- command to invoke the podchecker function in Pod::Checker
#
# Copyright (c) 1998-2000 by Bradford Appleton. All rights reserved.
# This file is part of "PodParser". PodParser is free software;
# you can redistribute it and/or modify it under the same terms
# as Perl itself.
#############################################################################
use strict;
#use diagnostics;
=head1 NAME
podchecker - check the syntax of POD format documentation files
=head1 SYNOPSIS
B<podchecker> [B<-help>] [B<-man>] [B<-(no)warnings>] [I<file>S< >...]
=head1 OPTIONS AND ARGUMENTS
=over 8
=item B<-help>
Print a brief help message and exit.
=item B<-man>
Print the manual page and exit.
=item B<-warnings> B<-nowarnings>
Turn on/off printing of warnings. Repeating B<-warnings> increases the
warning level, i.e. more warnings are printed. Currently increasing to
level two causes flagging of unescaped "E<lt>,E<gt>" characters.
=item I<file>
The pathname of a POD file to syntax-check (defaults to standard input).
=back
=head1 DESCRIPTION
B<podchecker> will read the given input files looking for POD
syntax errors in the POD documentation and will print any errors
it find to STDERR. At the end, it will print a status message
indicating the number of errors found.
Directories are ignored, an appropriate warning message is printed.
B<podchecker> invokes the B<podchecker()> function exported by B<Pod::Checker>
Please see L<Pod::Checker/podchecker()> for more details.
=head1 RETURN VALUE
B<podchecker> returns a 0 (zero) exit status if all specified
POD files are ok.
=head1 ERRORS
B<podchecker> returns the exit status 1 if at least one of
the given POD files has syntax errors.
The status 2 indicates that at least one of the specified
files does not contain I<any> POD commands.
Status 1 overrides status 2. If you want unambiguous
results, call B<podchecker> with one single argument only.
=head1 SEE ALSO
L<Pod::Parser> and L<Pod::Checker>
=head1 AUTHORS
Please report bugs using L<http://rt.cpan.org>.
Brad Appleton E<lt>bradapp@enteract.comE<gt>,
Marek Rouchal E<lt>marekr@cpan.orgE<gt>
Based on code for B<Pod::Text::pod2text(1)> written by
Tom Christiansen E<lt>tchrist@mox.perl.comE<gt>
=cut
use Pod::Checker;
use Pod::Usage;
use Getopt::Long;
## Define options
my %options;
## Parse options
GetOptions(\%options, qw(help man warnings+ nowarnings)) || pod2usage(2);
pod2usage(1) if ($options{help});
pod2usage(-verbose => 2) if ($options{man});
if($options{nowarnings}) {
$options{warnings} = 0;
}
elsif(!defined $options{warnings}) {
$options{warnings} = 1; # default is warnings on
}
## Dont default to STDIN if connected to a terminal
pod2usage(2) if ((@ARGV == 0) && (-t STDIN));
## Invoke podchecker()
my $status = 0;
@ARGV = qw(-) unless(@ARGV);
for my $podfile (@ARGV) {
if($podfile eq '-') {
$podfile = '<&STDIN';
}
elsif(-d $podfile) {
warn "podchecker: Warning: Ignoring directory '$podfile'\n";
next;
}
my $errors =
podchecker($podfile, undef, '-warnings' => $options{warnings});
if($errors > 0) {
# errors occurred
$status = 1;
printf STDERR ("%s has %d pod syntax %s.\n",
$podfile, $errors,
($errors == 1) ? 'error' : 'errors');
}
elsif($errors < 0) {
# no pod found
$status = 2 unless($status);
print STDERR "$podfile does not contain any pod commands.\n";
}
else {
print STDERR "$podfile pod syntax OK.\n";
}
}
exit $status;