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# File 'lib/legion/cli/chat/tools/read_file.rb', line 16
def execute(path:, offset: nil, limit: nil)
expanded = File.expand_path(path)
return "Error: file not found: #{path}" unless File.exist?(expanded)
return "Error: path is a directory: #{path}" if File.directory?(expanded)
lines = File.readlines(expanded, encoding: 'utf-8')
start_line = [(offset || 1) - 1, 0].max
count = limit || lines.length
selected = lines[start_line, count] || []
numbered = selected.each_with_index.map do |line, i|
"#{(start_line + i + 1).to_s.rjust(5)} | #{line}"
end
"#{expanded} (#{lines.length} lines total)\n#{numbered.join}"
rescue StandardError => e
Legion::Logging.warn("ReadFile#execute failed for #{path}: #{e.message}") if defined?(Legion::Logging)
"Error reading #{path}: #{e.message}"
end
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