38 lines
689 B
Ruby
38 lines
689 B
Ruby
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class Object
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def deep_clone
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Marshal::load(Marshal.dump(self))
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end
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end
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##
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# Class containing system utility funcions.
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class SystemUtils
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constructor :system_wrapper
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##
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# Sets up the class.
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def setup
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@tcsh_shell = nil
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end
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##
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# Checks the system shell to see if it a tcsh shell.
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def tcsh_shell?
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# once run a single time, return state determined at that execution
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return @tcsh_shell if not @tcsh_shell.nil?
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result = @system_wrapper.shell_backticks('echo $version')
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if ((result[:exit_code] == 0) and (result[:output].strip =~ /^tcsh/))
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@tcsh_shell = true
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else
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@tcsh_shell = false
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end
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return @tcsh_shell
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end
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end
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