Class: Dap::Output::OutputCSV
- Inherits:
-
Object
- Object
- Dap::Output::OutputCSV
- Includes:
- FileDestination
- Defined in:
- lib/dap/output.rb
Overview
CSV Output
Constant Summary collapse
- FIELD_WILDCARD =
'_'
Instance Attribute Summary collapse
-
#delimiter ⇒ Object
Returns the value of attribute delimiter.
-
#fields ⇒ Object
Returns the value of attribute fields.
Attributes included from FileDestination
Instance Method Summary collapse
-
#initialize(args) ⇒ OutputCSV
constructor
A new instance of OutputCSV.
- #write_record(doc) ⇒ Object
Methods included from FileDestination
#close, #open, #sanitize, #start, #stop
Constructor Details
#initialize(args) ⇒ OutputCSV
Returns a new instance of OutputCSV.
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# File 'lib/dap/output.rb', line 160 def initialize(args) file = nil self.delimiter = "," self.fields = FIELD_WILDCARD header = false args.each do |str| k,v = str.split('=', 2) case k when 'file' file = v when 'header' header = ( v =~ /^[ty1]/i ? true : false ) when 'fields' self.fields = v.split(',') when 'delimiter' self.delimiter = case v.to_s when 'tab' "\t" when 'null' "\x00" else v end end end self.open(file) if header and not fields.include?(FIELD_WILDCARD) self.fd.puts self.fields.to_csv end end |
Instance Attribute Details
#delimiter ⇒ Object
Returns the value of attribute delimiter.
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# File 'lib/dap/output.rb', line 155 def delimiter @delimiter end |
#fields ⇒ Object
Returns the value of attribute fields.
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# File 'lib/dap/output.rb', line 155 def fields @fields end |
Instance Method Details
#write_record(doc) ⇒ Object
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# File 'lib/dap/output.rb', line 196 def write_record(doc) out = [] if self.fields.include?(FIELD_WILDCARD) doc.each_pair do |k,v| out << sanitize(v.to_s) end else self.fields.each do |k| out << sanitize(doc[k].to_s) end end return unless out.length > 0 self.fd.puts out.to_csv end |