lib/repertoire/compat.rb in repertoire-0.1.0 vs lib/repertoire/compat.rb in repertoire-0.1.1

@@ -1,5 +1,8 @@
+require 'repertoire/exceptions/program_not_found'
+require 'repertoire/exceptions/command_failed'
+
 module Repertoire
   module Compat
     #
     # Returns the native _platform_.
     #
@@ -40,8 +43,34 @@
 
         return full_path if File.file?(full_path)
       end
 
       return nil
+    end
+
+    #
+    # Runs the command specified by _program_ and the given _args_.
+    # If _program_ cannot be found on the system, a ProgramNotFound
+    # exception will be raised.
+    #
+    #   Compat.sh('ls','-la','/')
+    #
+    def Compat.sh(program,*args)
+      program = program.to_s
+
+      program_path = Compat.find_program(program)
+      unless program_path
+        raise(ProgramNotFound,"the program #{program.dump} was not found",caller)
+      end
+
+      # stringify the args
+      args = args.map { |arg| arg.to_s }
+
+      unless system(program_path,*args)
+        command = program_path
+        command += ' ' + args.join(' ') unless args.empty?
+
+        raise(CommandFailed,"the command #{command.dump} failed",caller)
+      end
     end
   end
 end