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#!/usr/bin/env nix-shell
#!nix-shell -i perl -p less perl --pure -I nixpkgs=https://github.com/NixOS/nixpkgs-channels/archive/nixos-18.09.tar.gz
=head1 NAME
website pastebin - Create new pastebins from the org-mode template.
=head1 SYNOPSIS
website pastebin [options]
Options:
--help Show the manpage.
--title Title of the pastebin.
=head1 OPTIONS
=over 4
=item B<-h, --help>
Prints the manual page and exits.
=item B<-t, --title>
The title of the pastebin. This string will be slugified and the output is used to create the pastebin file name. Special characters are simplified or discarded.
=back
=head1 DESCRIPTION
B<website pastebin> creates a pastebin org-mode text files, that are later processed to produce HTML to be deployed statically.
=cut
use strict;
use warnings;
use Getopt::Long qw(:config no_ignore_case bundling);
use Pod::Usage qw(pod2usage);
use Unicode::Normalize qw(NFKD);
use File::Basename qw(dirname);
my $help = 0;
my $title = '';
GetOptions(
'help|h|?' => \$help,
'title|t=s' => \$title
) or pod2usage(-verbose => 1, -exitval => 2);
pod2usage(
-verbose => 2,
-exitval => 0
) if $help;
pod2usage(
-verbose => 1,
-exitval => 2,
-message => "Missing required --title argument."
) if !$title;
# Taken from:
# https://stackoverflow.com/a/4009519
sub slugify {
my $input = shift;
$input = NFKD($input); # Normalize (decompose) the Unicode string
$input =~ tr/\000-\177//cd; # Strip non-ASCII characters (>127)
$input =~ s/[^\w\s-]//g; # Remove all characters that are not word characters (includes _), spaces, or hyphens
$input =~ s/^\s+|\s+$//g; # Trim whitespace from both ends
$input = lc($input);
$input =~ s/[-\s]+/-/g; # Replace all occurrences of spaces and hyphens with a single hyphen
return $input;
}
our $dirname = dirname(__FILE__);
our $in = "$dirname/skeleton.org";
our $out;
my %ENV = (title => $title);
# Derived from both:
# https://unix.stackexchange.com/a/294836
# https://stackoverflow.com/a/47664214
sub envsubst {
open(IN, '<'.$in) or die $!;
open(OUT, '>'.$out) or die $!;
while(<IN>) {
$_ =~ s/\$([_a-zA-Z]+)/$ENV{$1}/g;
print OUT $_;
}
close(IN);
close(OUT);
}
my $slug = slugify($title);
$out = "$dirname/../site/pastebin/$slug.org";
envsubst();
print `realpath $out`;
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