úÎ_     Safe2 stderr output stdout outputarg to executable cmd or filecurrent working dir     Nonerun executable with argswaits   indicates error  run shell cmd waits   indicates error call cmd, get output enclose  in ""join  with " " : useful to construct  cmd      dmc-1.1-8Mnagc85qYu8xlJcpKY4QSSystem.Process.TypeDmcSystem.Process.DmcStderrStdoutArgCmdCwd $fShowCwd $fShowCmd $fFunctorCmd $fShowArg $fFunctorArg $fShowStdout $fShowStderrrunshellcallquotejoinbase Data.EitherLeftGHC.BaseString runCommon