Alien-Gnuplot

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lib/Alien/Gnuplot.pm  view on Meta::CPAN

    
##############################
# Whew.  Now parse out the 'GNUPLOT' and version number...
    my $lines = join("", map { chomp $_; $_} @lines);
    $lines =~ s/\s+G N U P L O T\s*//  or  die qq{
Alien::Gnuplot: the executable '$exec_path' appears not to be gnuplot,
or perhaps there was a problem running it.  You can remove it or set
your GNUPLOT_BINARY variable to an actual gnuplot.

Raw output from Gnuplot:
$lines
};
    
    $lines =~ m/Version (\d+\.\d+) (patchlevel (\d+))?/ or die qq{
Alien::Gnuplot: the executable file $exec_path claims to be gnuplot, but 
I could not parse a version number from its output.  Sorry, I give up.

Raw output from Gnuplot:
$lines
};
    
    $version = $1;
    $pl = $3;
    $executable = $exec_path;
    
##############################
# Parse out available terminals and put them into the 
# global list and hash.
    @terms = ();
    %terms = ();
    my $reading_terms = 0;
    for my $line(@lines) {
	last if($line =~ m/CcColors/);
	if(!$reading_terms) {
	    if($line =~ m/^Available terminal types\:/) {
		$reading_terms = 1;
	    }
	} else {
	    $line =~ s/^Press return for more\:\s*//;
	    $line =~ m/^\s*(\w+)\s(.*[^\s])\s*$/ || next;
	    push(@terms, $1);
	    $terms{$1} = $2;
	}
    }
    
##############################
# Parse out available colors and put them into that global list and hash.
    @colors = ();
    %colors = ();
    
    for my $line(@lines) {
	last if($line =~ m/FfFinished/);
	next unless( $line =~ m/\s+([\w\-0-9]+)\s+(\#......)/);
	$colors{$1} = $2;
    }
    @colors = sort keys %colors;
}

sub import {
    my $pkg = shift;
    $pkg->SUPER::import(@_);
    $pkg->load_gnuplot();
};


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