Acme-Bleach
view release on metacpan or search on metacpan
lib/Acme/Bleach.pm view on Meta::CPAN
package Acme::Bleach;
our $VERSION = '1.150';
my $tie = " \t"x8;
sub whiten { local $_ = unpack "b*", pop; tr/01/ \t/; s/(.{9})/$1\n/g; $tie.$_ }
sub brighten { local $_ = pop; s/^$tie|[^ \t]//g; tr/ \t/01/; pack "b*", $_ }
sub dirty { $_[0] =~ /\S/ }
sub dress { $_[0] =~ /^$tie/ }
open 0 or print "Can't rebleach '$0'\n" and exit;
(my $shirt = join "", <0>) =~ s/(.*)^\s*use\s+Acme::Bleach\s*;\n//sm;
my $coat = $1;
my $pressed = '#line ' . ("$coat\n" =~ tr/\n/\n/) . ' ' . (caller)[1] . "\n";
local $SIG{__WARN__} = \&dirty;
do {eval $coat . brighten $shirt; print STDERR $@ if $@; exit}
unless dirty $shirt && not dress $shirt;
open 0, ">$0" or print "Cannot bleach '$0'\n" and exit;
print {0} "${coat}use Acme::Bleach;\n", whiten $pressed.$shirt and exit;
__END__
=head1 NAME
Acme::Bleach - For I<really> clean programs
=head1 SYNOPSIS
use Acme::Bleach;
print "Hello world";
=head1 DESCRIPTION
The first time you run a program under C<use Acme::Bleach>, the module
removes all the unsightly printable characters from your source file.
The code continues to work exactly as it did before, but now it
looks like this:
use Acme::Bleach;
=head1 DIAGNOSTICS
=over 4
=item C<Can't bleach '%s'>
Acme::Bleach could not access the source file to modify it.
=item C<Can't rebleach '%s'>
Acme::Bleach could not access the source file to execute it.
=back
=head1 SEE ALSO
( run in 2.748 seconds using v1.01-cache-2.11-cpan-98e64b0badf )