From 9934dd7fae3b881690df158b3f15a5f96c3aed72 Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Sat, 29 Dec 2018 09:38:39 -0200
Subject: WIP: Use Perl instead of Racket for CLI.

---
 TODOs.org    |  1 +
 cli          | 43 -----------------------------------------
 website.bats | 11 +++++++++++
 website.pl   | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 75 insertions(+), 43 deletions(-)
 delete mode 100755 cli
 create mode 100755 website.bats
 create mode 100755 website.pl

diff --git a/TODOs.org b/TODOs.org
index d5071a5..8bb3f26 100644
--- a/TODOs.org
+++ b/TODOs.org
@@ -7,6 +7,7 @@ https://joelkuiper.eu/spellcheck_emacs
 https://jaspervdj.be/hakyll/tutorials/using-teasers-in-hakyll.html
 * CLI
 ** Print usage when no subcommand is provided
+** Add completion
 * CI
 ** Improvements
 *** Use NixOS instead of Debian?
diff --git a/cli b/cli
deleted file mode 100755
index a2f8a44..0000000
--- a/cli
+++ /dev/null
@@ -1,43 +0,0 @@
-#!/usr/bin/env racket
-#lang racket
-
-(define pastebin-verbose? (make-parameter #false))
-(define pastebin-title (make-parameter ""))
-(define slide-verbose? (make-parameter #false))
-
-(define subcommand
-  (command-line
-   #:program "website-cli"
-   #:args (subcommand . subcommand-options)
-   (match subcommand
-     ["pastebin"
-      (command-line
-       #:program "website-cli pastebin"
-       #:argv subcommand-options
-       #:multi
-       [("-v" "--verbose") "dunno" (pastebin-verbose? #true)]
-       [("-t" "--title") title "The title of the pastebin, will be slugified for creating the filename." (pastebin-title title)])]
-     ["slide"
-      (command-line
-       #:program "website-cli slide"
-       #:argv subcommand-options
-       #:usage-help
-       "woeifj ijfe"
-       #:multi
-       [("-v" "--verbose") "Turn on verbose mode" (slide-verbose? #false)]
-       #:help-labels
-       "oefijeifjeijfiejfijeij ijij"
-       #:ps "ps")]
-     [_
-      (printf "Invalid subcommand: ~a\n" subcommand)
-      (exit 1)])
-   subcommand))
-
-(define out
-  (match subcommand
-    ["pastebin"
-     (system "./pastebin/new.sh")]
-    ["slide"
-     (system "./slides/new.sh")]))
-
-(exit (if out 0 1))
diff --git a/website.bats b/website.bats
new file mode 100755
index 0000000..c9319ed
--- /dev/null
+++ b/website.bats
@@ -0,0 +1,11 @@
+#!/usr/bin/env bats
+
+# @test "Help: show short usage when no subcommand is given." {
+#   run ./cli.pl
+#   [[ "$status" -eq 1 ]]
+# }
+
+# print short usage
+# show manpage
+# create pastebin
+# create a slide
diff --git a/website.pl b/website.pl
new file mode 100755
index 0000000..cb81ff3
--- /dev/null
+++ b/website.pl
@@ -0,0 +1,63 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i perl -p perl less --pure
+
+=head1 NAME
+
+cli.pl - Using GetOpt::Long and Pod::Usage
+
+=head1 SYNOPSIS
+
+sample [options] [file ...]
+
+  Options:
+    --help            brief help message
+    --man             full documentation
+
+=head1 OPTIONS
+
+=over 4
+
+=item B<-h, --help>
+
+Print a brief help message and exits.
+
+=item B<--man>
+
+Prints the manual page and exits.
+
+=back
+
+=head1 DESCRIPTION
+
+B<This program> will read the given input file(s) and do something
+useful with the contents thereof.
+
+=cut
+
+use strict;
+use warnings;
+use Getopt::Long qw(:config no_ignore_case bundling auto_help auto_version);
+use Pod::Usage qw(pod2usage);
+
+my $help = 0;
+my $title = '';
+GetOptions(
+  "t|title=s" => \$title,
+  'help|h|?' => \$help
+) or pod2usage(-verbose => 1);
+pod2usage(
+  -verbose => 2,
+  -exitval => 0
+) if $help || (defined $ARGV[0] and $ARGV[0] eq "help");
+
+## If no arguments were given, then allow STDIN to be used only
+## if it's not connected to a terminal (otherwise print usage)
+pod2usage("$0: No files given.")  if ((@ARGV == 0) && (-t STDIN));
+
+print `fd sh`;
+print `find . -type f -name '*sh*'`;
+
+
+# FIXME: add tests (inline + bats)
+
+
-- 
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