bin/lt in ratch-0.1 vs bin/lt in ratch-0.2.1

@@ -1,4 +1,56 @@
-#! /usr/bin/ruby
+#! /usr/bin/ruby1.8
 
-load 'ratch/cli/lt.rb'
+# scan task scripts for descriptions
 
+def script_desc( dir )
+  help = {}
+  files = Dir.glob( File.join( dir, '*' ) )
+  files.each do |fname|
+    next if FileTest.directory?( fname )
+    next unless FileTest.executable?( fname )
+    desc = ''
+    File.open(fname) do |f|
+      line = ''
+      until f.eof?
+        line = f.gets
+        case line
+        when /^(#!|\s*$)/
+          next
+        when /^\s*#(.*)/
+          desc = $1.strip; break
+        else
+          desc = nil; break
+        end
+      end
+    end
+    help[File.basename(fname)] = desc
+  end
+  help
+end
+
+def show( dir )
+  tasks = script_desc( dir )
+  max = tasks.keys.max{ |a,b| a.size <=> b.size }.size
+  if dir == ''
+    max += 4 + 2
+  else
+    max += dir.size + 2
+  end
+  tasks.each do |name, sum|
+    #sum = Sake.help_summary( type )
+    if dir == ''
+      cmd = "sake #{name}"
+    else
+      cmd = File.join( dir.chomp('/'), name )
+    end
+    puts "%-#{max}s # %s" % [cmd, sum]
+  end
+end
+
+dir = ARGV[0] || '.'
+
+if File.directory?( dir )
+  show( dir )
+else
+  puts "#{dir} is not a directory"
+end