Check EDFs for unusual Physical Dimensions
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# gem install edfize --no-document | |
# ruby check_edf_header.rb | |
require 'rubygems' | |
require 'edfize' | |
signals_to_check = [ | |
{ label: 'SAO2', physical_dimension: '%' }, | |
{ label: 'Pulse', physical_dimension: ['bpm', 'bmp'] } | |
] | |
def strings_match?(a, b) | |
a.casecmp(b).zero? | |
end | |
def missing_physical_dimension?(signal, label, physical_dimensions) | |
matching_physical_dimensions = \ | |
[physical_dimensions].flatten.select do |pd| | |
strings_match?(signal.physical_dimension, pd) | |
end | |
strings_match?(signal.label, label) && matching_physical_dimensions.empty? | |
end | |
good_count = 0 | |
bad_count = 0 | |
edf_files_count = Edfize.edf_paths.count | |
Edfize.edfs.each_with_index do |edf, index| | |
print "\rChecking EDF #{index + 1} of #{edf_files_count}" | |
bad_found = false | |
edf.signals.each do |signal| | |
signals_to_check.each do |hash| | |
if missing_physical_dimension?(signal, hash[:label], hash[:physical_dimension]) | |
puts "\n\n" if bad_found == false | |
bad_found = true | |
puts "BAD".colorize(:red) + " #{signal.label} #{signal.physical_dimension}" | |
end | |
end | |
end | |
if bad_found | |
puts " #{edf.filename}\n\n" | |
bad_count += 1 | |
else | |
good_count += 1 | |
end | |
end | |
puts "\n\n" + good_count.to_s.colorize(good_count > 0 ? :green : nil) + " EDF#{good_count == 1 ? ' ' : 's'} passed" | |
puts bad_count.to_s.colorize(bad_count > 0 ? :red : nil) + " EDF#{bad_count == 1 ? ' ' : 's'} failed" |
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