#!/usr/bin/perl -w
#
# ecaccess-file-size: Show the Size of an ECaccess File
#
# Laurent.Gougeon@ecmwf.int - 2010-10-15

use ECMWF::ECaccess;
use Getopt::Long;
use Pod::Usage;
use Number::Bytes::Human qw(format_bytes);

my %opt = ( human => 0, version => 0, help => 0, manual => 0, debug => 0 );

pod2usage( -noperldoc => 1, -exit => 1, verbose => 1 ) if !GetOptions(
	\%opt,
	qw(
	  human
	  version
	  help|?
	  manual
	  debug
	  )
);

# Display version if requested
die ECMWF::ECaccess->VERSION . "\n" if ( $opt{version} );

my $ecaccessFile = $ARGV[0];

pod2usage( -noperldoc => 1, -exit => 1, verbose => 1 ) if ( $opt{help} );
pod2usage( -noperldoc => 1, -exit => 1, verbose => 2 ) if ( $opt{manual} );
pod2usage( -noperldoc => 1, -exit => 1, verbose => 0, -msg => "No file specified!\n" ) if not($ecaccessFile);

# Create the ECaccess Controler
my $ecaccess = ECMWF::ECaccess->new();
$ecaccess->setDebug( $opt{debug} );

# Get the Token (using the Certificate in $HOME)
my $token = $ecaccess->getToken();

# Get the Control Channel
my $controlChannel = $ecaccess->getControlChannel();

# Get the modtime
my $size = $controlChannel->getFileSize( $token, $ecaccessFile )->result;

# Display the result
if ( $opt{human} ) {
	print format_bytes($size) . "\n";
}
else {
	print $size. "\n";
}

# Logout
$ecaccess->releaseToken($token);

__END__

=head1 NAME

ecaccess-file-size - Show the Size of an ECaccess File

=head1 SYNOPSIS

B<ecaccess-file-size -version|-help|-manual>

B<ecaccess-file-size [-debug] [-human]> I<ecaccess-file>

=head1 DESCRIPTION

Allow showing the size of I<ecaccess-file> (-1 for a directory).

The I<ecaccess-file> is in the form [domain:][/user-id/]path. Please read the "Shell commands -> File Management"
section of the "ecaccess" guide for more information on the ECaccess File System.

=head1 ARGUMENTS

=over 8

=item I<ecaccess-file>

Then name of the ECaccess File to get the size.

=back

=head1 OPTIONS

=over 8

=item B<-human>

Print size in human readable format (e.g. 234M).

=item B<-version>

Display version number and exits.

=item B<-help>

Print a brief help message and exits.

=item B<-manual>

Prints the manual page and exits.

=item B<-debug>

Display the SOAP messages exchanged.

=back

=head1 EXAMPLES

B<ecaccess-file-size> I<bin/a.out>

Display the Size of the I<a.out> File in the $HOME/bin directory of the authenticated user.

=head1 SEE ALSO

B<ecaccess-file-delete>, B<ecaccess-file-get>, B<ecaccess-file-mget>, B<ecaccess-file-modtime>, B<ecaccess-file-mput>,
B<ecaccess-file-rmdir>, B<ecaccess-file-copy>, B<ecaccess-file-dir>, B<ecaccess-file-mdelete>, B<ecaccess-file-mkdir>,
B<ecaccess-file-move>, B<ecaccess-file-put>, B<ecaccess-file-chmod> and B<ecaccess>.

=cut
