Sha256: 80af72bf91d41308f6c5a919c5101bd622d96e69a7f010726a602dc13525b01f
Contents?: true
Size: 1021 Bytes
Versions: 18
Compression:
Stored size: 1021 Bytes
Contents
#!/usr/bin/env ruby
require 'rbbt'
require 'rbbt/util/simpleopt'
require 'rbbt/util/R'
$0 = "rbbt #{$previous_commands*""} #{ File.basename(__FILE__) }" if $previous_commands
options = SOPT.setup <<EOF
Take logs
$ rbbt stat density <file>
Display summary information. Works with Tokyocabinet HDB and DBD as well.
-tch--tokyocabinet File is a TC HDB
-tcb--tokyocabinet_bd File is a TC BDB
-t--type* Type of tsv (single, list, double, flat)
-h--header_hash* Change the character used to mark the header line (defaults to #)
-f--field Field to change
-h--help Help
EOF
SOPT.usage if options[:help]
file = ARGV.shift
if file == '-' or file.nil?
file = STDIN
else
file = Open.open file
end
parser = TSV::Parser.new file, options
options[:fields] = [options.delete(:field) || 0]
puts TSV.header_lines(parser.key_field, parser.fields)
parser.traverse(options.merge(:type => :list)) do |k,v|
v = v.first
v = Array === v ? v.collect{|e| Math.log(e.to_f) } : [Math.log(v.to_f)]
puts [k,v].flatten * "\t"
end
Version data entries
18 entries across 18 versions & 1 rubygems