capture

capture(stream)

Instance Public methods

Captures the given stream and returns it:

stream = capture(:stdout) { puts 'notice' }
stream # => "notice\n"

stream = capture(:stderr) { warn 'error' }
stream # => "error\n"

even for subprocesses:

stream = capture(:stdout) { system('echo notice') }
stream # => "notice\n"

stream = capture(:stderr) { system('echo error 1>&2') }
stream # => "error\n"

silence

Links:

https://github.com/rails/rails/blob/ffe99774bb0b64644dc419ba83d131218854d404/activesupport/lib/active_support/core_ext/kernel/reporting.rb#L82

doc_ruby_on_rails

2015-06-20 00:00:00

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