class Libis::Format::Tool::FileTool
Public Instance Methods
run(file, _options = {})
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# File lib/libis/format/tool/file_tool.rb, line 35 def run(file, _options = {}) output = runner(file) process_output(output) end
run_dir(dir, recursive = true, _options = {})
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# File lib/libis/format/tool/file_tool.rb, line 21 def run_dir(dir, recursive = true, _options = {}) filelist = find_files(dir, recursive) create_list_file(filelist) do |list_file| output = runner(nil, '--files-from', list_file) process_output(output) end end
run_list(filelist, _options = {})
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# File lib/libis/format/tool/file_tool.rb, line 9 def run_list(filelist, _options = {}) create_list_file(filelist) do |list_file| output = runner(nil, '--files-from', list_file) process_output(output) end end
Protected Instance Methods
runner(filename, *args)
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# File lib/libis/format/tool/file_tool.rb, line 45 def runner(filename, *args) # Create new argument list opts = [] # Add fixed options # -L : follow symlinks # --mime-type : only print MIME type opts << '-L' << '--mime-type' # Append passed arguments opts += args # Finally add the filename to process opts << filename.escape_for_string if filename # Run the UNIX file command and capture the results timeout = Libis::Format::Config[:timeouts][:file_tool] result = ::Libis::Tools::Command.run( 'file', *opts, timeout: timeout, kill_after: timeout * 2 ) raise RuntimeError, "#{self.class} took too long (> #{timeout} seconds) to complete" if result[:timeout] raise RuntimeError, "#{self.class} errors: #{result[:err].join("\n")}" unless result[:status] == 0 && result[:err].empty? # Parse output text into array and return result result[:out].map do |line| r = line.split(/:\s+/) {filepath: r[0], mimetype: r[1], matchtype: 'magic', tool: :file} end end