v0.4.4

Do you need commit rights to my repository?
Do you want to get admin rights and take over the project?
If so, please feel free to contact kojix2.

.github/workflows/ci.yml

@@ -6,13 +6,12 @@ jobs:
     runs-on: ${{ matrix.os }}-latest
     strategy:
       matrix:
-        os:   ['ubuntu', 'macos']
+        os:   [ 'ubuntu', 'macos' ]
-        ruby: [ '2.4', '2.5', '2.6', '2.7', '3.0' ]
+        ruby: [ '2.4', '2.5', '2.6', '2.7', '3.0', '3.1' ]
     steps:
       - uses: actions/checkout@v2
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
-      - run: gem install bundler
+          bundler-cache: true
-      - run: bundle install
       - run: bundle exec rake test

.github/workflows/doc.yml

@@ -0,0 +1,23 @@
+name: doc
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 3.1
+      - name: Generate document
+        run: gem install -N yard && yard doc
+      - name: Publish Documentation on GitHub Pages
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./doc

Gemfile

@@ -4,3 +4,9 @@ source 'https://rubygems.org'
 
 # Specify your gem's dependencies in youplot.gemspec
 gemspec
+
+group :test do
+  gem 'rake'
+  gem 'simplecov'
+  gem 'test-unit'
+end

README.md

@@ -7,7 +7,7 @@
   <a href="https://rubydoc.info/gems/youplot/"><img alt="Docs Stable" src="https://img.shields.io/badge/docs-stable-blue.svg"></a>
   <a href="LICENSE.txt"><img alt="The MIT License" src="https://img.shields.io/badge/license-MIT-blue.svg"></a>
   
-  YouPlot is a command line tool that draws plots in the terminal.
+  YouPlot is a command line tool that draws plots on the terminal.
 
   :bar_chart: Powered by [UnicodePlot](https://github.com/red-data-tools/unicode_plot.rb)
 </div>
@@ -189,7 +189,7 @@ The following sub-commands are available.
   * The `--help` option will show more detailed options for each subcommand.
   * `uplot hist --help`
 
-### Set columns as x-axis or y-axis?
+### Set columns as x-axis or y-axis
 
 * YouPlot treats the first column as the X axis and the second column as the Y axis. When working with multiple series, the first column is the X axis, the second column is series Y1, the third column is series Y2, and so on. 
 * If you pass only one column of data for `line` and `bar`, YouPlot will automatically use a sequential number starting from 1 as the X-axis. 
@@ -203,7 +203,7 @@ The following sub-commands are available.
 
 ### Categorical data
 
-* With gne datamash, you can manage to handle categorized data. 
+* With GNU datamash, you can manage to handle categorized data. 
   * `cat test/fixtures/iris.csv | sed '/^$/d' | datamash --header-in --output-delimiter=: -t, -g5 collapse 3,4 | cut -f2-3 -d: | sed 's/:/\n/g' | uplot s -d, -T --fmt xyxy`
   * This is not so easy...
 
@@ -241,6 +241,10 @@ bundle exec rake install   # Installation from source code
 bundle exec exe/uplot      # Run youplot (Try out the edited code)
 ```
 
+    Do you need commit rights to my repository?
+    Do you want to get admin rights and take over the project?
+    If so, please feel free to contact us.
+
 ### Acknowledgements
 
 * [sampo grafiikka](https://jypg.net/sampo_grafiikka) - Project logo creation

lib/youplot.rb

@@ -6,6 +6,12 @@ require_relative 'youplot/parameters'
 require_relative 'youplot/command'
 
 module YouPlot
+  # @run_as_executable = true / false
+  # YouPlot behaves slightly differently when run as a command line tool
+  # and when run as a script (e.g. for testing). In the event of an error,
+  # when run as a command line tool, YouPlot will display a short error message
+  # and exit abnormally. When run as a script, it will just raise an error.
+  @run_as_executable = false
   class << self
     attr_accessor :run_as_executable
 
@@ -13,5 +19,4 @@ module YouPlot
       @run_as_executable
     end
   end
-  @run_as_executable = false
 end

lib/youplot/backends/unicode_plot.rb

@@ -127,11 +127,10 @@ module YouPlot
 
       def plot_xyxy(data, method1, params)
         headers = data.headers
-        series = data.series
+        series2 = data.series
+                      .map { |s| s.map(&:to_f) }
+                      .each_slice(2).to_a
         method2 = get_method2(method1)
-        series.map! { |s| s.map(&:to_f) }
-        series2 = series.each_slice(2).to_a
-        series = nil
         params.name ||= headers[0] if headers
         params.xlim ||= series2.map(&:first).flatten.minmax # why need?
         params.ylim ||= series2.map(&:last).flatten.minmax # why need?

lib/youplot/command.rb

@@ -40,6 +40,24 @@ module YouPlot
         return
       end
 
+      # config command
+      if @command == :config
+        if ENV['MYYOUPLOTRC']
+          puts "config file : #{ENV['MYYOUPLOTRC']}"
+          puts parser.config.inspect
+        else
+          puts <<~EOS
+            You don't have a config file. The default config file paths are:
+            ./.youplot.yml, ./.youplotrc, ~/.youplot.yml, ~/.youplotrc
+            You can specify a config file with the environment variable MYYOUPLOTRC.
+            File format is YAML. For example:
+            width : 40
+            height : 20
+          EOS
+        end
+        return
+      end
+
       # progressive mode
       if options[:progressive]
         stop = false
@@ -63,9 +81,15 @@ module YouPlot
       # normal mode
       else
         # Sometimes the input file does not end with a newline code.
-        while (input = Kernel.gets(nil))
+        begin
+          begin
+            input = Kernel.gets(nil)
+          rescue Errno::ENOENT => e
+            warn e.message
+            next
+          end
           main(input)
-        end
+        end until input
       end
     end
 
@@ -135,7 +159,12 @@ module YouPlot
       rescue CSV::MalformedCSVError => e
         warn 'Failed to parse the text. '
         warn 'Please try to set the correct character encoding with --encoding option.'
-        raise e
+        warn e.backtrace.grep(/youplot/).first
+        exit 1
+      rescue ArgumentError => e
+        warn 'Failed to parse the text. '
+        warn e.backtrace.grep(/youplot/).first
+        exit 1
       end
 
       data

lib/youplot/parser.rb

@@ -9,7 +9,8 @@ module YouPlot
     class Error < StandardError; end
 
     attr_reader :command, :options, :params,
-                :main_parser, :sub_parser
+                :main_parser, :sub_parser,
+                :config_file, :config
 
     def initialize
       @command = nil
@@ -28,6 +29,55 @@ module YouPlot
       )
 
       @params = Parameters.new
+
+      if @config_file = find_config_file
+        ENV['MYYOUPLOTRC'] = @config_file
+        @config = read_config_file(config_file)
+        configure(config)
+      end
+    end
+
+    def candidate_paths
+      paths = []
+      paths << ENV['MYYOUPLOTRC'] if ENV['MYYOUPLOTRC']
+      paths << '.youplot.yml'
+      paths << '.youplotrc'
+      paths << File.join(ENV['HOME'], '.youplotrc') if ENV['HOME']
+      paths << File.join(ENV['HOME'], '.youplot.yml') if ENV['HOME']
+      paths
+    end
+
+    def find_config_file
+      config_file_path = nil
+      candidate_paths.each do |file|
+        path = File.expand_path(file)
+        if File.exist?(path)
+          config_file_path = path
+          break
+        end
+      end
+      config_file_path
+    end
+
+    def read_config_file(path)
+      require 'yaml'
+      YAML.load_file(path)
+    end
+
+    def configure(config)
+      option_members = @options.members
+      param_members = @params.members
+      # It would be more useful to be able to configure by plot type
+      config.each do |k, v|
+        k = k.to_sym
+        if option_members.include?(k)
+          @options[k] = v
+        elsif param_members.include?(k)
+          @params[k] = v
+        else
+          raise Error, "Unknown option/param: #{k}"
+        end
+      end
     end
 
     def create_base_parser
@@ -95,7 +145,7 @@ module YouPlot
         parser.on('-M', '--monochrome', TrueClass, 'no colouring even if writing to a tty') do |_v|
           UnicodePlot::IOContext.define_method(:color?) { false } # FIXME
         end
-        parser.on('--encoding STR', String, 'Specify the input encoding') do |v|
+        parser.on('--encoding STR', String, 'specify the input encoding') do |v|
           options[:encoding] = v
         end
         # Optparse adds the help option, but it doesn't show up in usage.
@@ -277,6 +327,8 @@ module YouPlot
           options[:color_names] = v
         end
 
+      when :config
+
       else
         error_message = "uplot: unrecognized command '#{command}'"
         if YouPlot.run_as_executable?

lib/youplot/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module YouPlot
-  VERSION = '0.4.2'
+  VERSION = '0.4.4'
 end

youplot.gemspec

@@ -19,10 +19,5 @@ Gem::Specification.new do |spec|
   spec.executables   = %w[uplot youplot]
   spec.require_paths = ['lib']
 
-  spec.add_runtime_dependency 'unicode_plot'
+  spec.add_dependency 'unicode_plot', '>= 0.0.5'
-  spec.add_development_dependency 'bundler'
-  spec.add_development_dependency 'rake'
-  spec.add_development_dependency 'rubocop'
-  spec.add_development_dependency 'simplecov'
-  spec.add_development_dependency 'test-unit'
 end