module Simp::CommandUtils
Public Instance Methods
which(cmd, fail=false)
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# File lib/simp/command_utils.rb, line 5 def which(cmd, fail=false) @which_cache ||= {} if @which_cache.has_key?(cmd) command = @which_cache[cmd] else command = Facter::Core::Execution.which(cmd) @which_cache[cmd] = command end msg = "Warning: Command #{cmd} not found on the system." ( fail ? raise(msg) : warn(msg) ) unless command command end