Sha256: fa7d591cafdc6224477efa115c3ff0fd3caa5bec94096d9e131bf7e86997b605
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Size: 1.41 KB
Versions: 132
Compression:
Stored size: 1.41 KB
Contents
#!/usr/bin/env ruby
require 'rbbt-util'
require 'rbbt/util/simpleopt'
$0 = "rbbt #{$previous_commands*""} #{ File.basename(__FILE__) }" if $previous_commands
options = SOPT.setup <<EOF
Slice column from tsv
$ rbbt tsv slice [options] file.tsv -f "Field 1"
Display summary informations. Works with Tokyocabinet HDB and BDB as well.
-tch--tokyocabinet File is a TC HDB
-tcb--tokyocabinet_bd File is a TC BDB
-hh--header_hash* Change the character used to mark the header line (defaults to #)
-f--fields* Field to slice (comma-separated)
-h--help Help
EOF
SOPT.usage if options[:help]
file = ARGV.shift
file = case file
when "-"
STDIN
when String
Open.open(file)
else
raise ParameterException, "Please specify the tsv file as argument" if file.nil?
end
fields = options[:fields]
raise ParameterException, "Please specify the fields to slice" if fields.nil?
options[:header_hash] ||= options["header_hash"]
case
when options[:tokyocabinet]
tsv = Persist.open_tokyocabinet(file, false)
puts tsv.summary
when options[:tokyocabinet_bd]
tsv = Persist.open_tokyocabinet(file, false, nil, TokyoCabinet::BDB)
puts tsv.summary
else
stream = TSV.traverse file, options.merge(:into => :stream, :type => :list, :fields => fields.split(","), :unnamed => true) do |k,fields,names|
[k,fields].flatten * "\t"
end
puts stream.read
exit 0
end
puts tsv.slice(fields.split(","))
Version data entries
132 entries across 132 versions & 1 rubygems