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mjago/play.cr

Created July 9, 2018 05:28
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logger
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play.cr
require "logger"
log = Logger.new(STDOUT)
log.level = Logger::WARN
critical = Logger.new(STDERR)
log.debug("Created logger")
log.info("Program started")
log.warn("Nothing to do!")
critical.error("Critical error!")
# crystal play.cr > stdout.txt 2> stderr.txt
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