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namespace :log do
##
# Truncates all/specified log files
# ENV['LOGS']
# - defaults to standard environment log files i.e. 'development,test,production'
# - ENV['LOGS']=all truncates all files i.e. log/*.log
# - ENV['LOGS']='test,development' truncates only specified files
desc "Truncates all/specified *.log files in log/ to zero bytes (specify which logs with LOGS=test,development)"
task :clear do
log_files.each do |file|
clear_log_file(file)
end
end
def log_files
if ENV["LOGS"] == "all"
FileList["log/*.log"]
elsif ENV["LOGS"]
log_files_to_truncate(ENV["LOGS"])
else
log_files_to_truncate("development,test,production")
end
end
def log_files_to_truncate(envs)
envs.split(",")
.map { |file| "log/#{file.strip}.log" }
.select { |file| File.exist?(file) }
end
def clear_log_file(file)
f = File.open(file, "w")
f.close
end
end
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