Sha256: ddf74b87df2bd8b04091cb1460921187f29136b3b54ccbcf8b8bca21f5c623f6
Contents?: true
Size: 1.59 KB
Versions: 14
Compression:
Stored size: 1.59 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
Inspect a TSV file
$ rbbt tsv info [options] file.tsv
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 #)
-k--key_field* Change the key field
-f--fields* Change the fields to load
-h--help Help
EOF
SOPT.usage if options[:help]
file = ARGV.shift
file = STDIN if file == '-'
raise ParameterException, "Please specify the tsv file as argument" if file.nil?
options[:fields] = options[:fields].split(/,\|/) if options[:fields]
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
header = TSV.parse_header(Open.open(file), options)
puts "File: #{ file }"
puts "Type: #{header.type}"
puts "Key: #{header.key_field}"
puts "Fields: "
if header.fields.nil?
else
header.fields.each_with_index do |f,i|
puts " - #{i + 1}: " << f
end
end
puts "Rows: #{`wc -l #{ file }|cut -f 1 -d' '`}" unless Open.remote? file
puts "First line:"
parts = []
header.first_line.split(header.sep).each_with_index{|p,i| parts << "(#{i}) #{p}"}
puts parts * "\t"
end
Version data entries
14 entries across 14 versions & 1 rubygems