Provide the command and arguments as a vector. Also can take a lgfl to which all stdout and stderr is written. If lgfl is not provided, a list is returned of 'status', 'stdout' and 'stderr'. Else only the status is returned - 1 success, 0 failed.
cmdln(cmd, args, lgfl = NULL)Command to be run
Vector of command arguments, each parameter and value must be a separate element
File to which stdout/err will be written
status, integer or character
Note, stdout/err are returned as 'raw'. Use rawToChar() to convert to characters.
Other run-private: batcher,
  blast_clstr, blast_filter,
  blast_setup, blast_sqs,
  blastcache_load,
  blastcache_save, blastdb_gen,
  blastn_run, cache_rm,
  cache_setup, clade_select,
  clstr2_calc, clstr_all,
  clstr_direct, clstr_sqs,
  clstr_subtree, clstrarc_gen,
  clstrarc_join, clstrrec_gen,
  clstrs_calc, clstrs_join,
  clstrs_merge,
  clstrs_renumber, clstrs_save,
  descendants_get,
  download_obj_check, error,
  hierarchic_download, info,
  ncbicache_load,
  ncbicache_save, obj_check,
  obj_load, obj_save,
  parameters_load,
  parameters_setup, parent_get,
  progress_init, progress_read,
  progress_reset,
  progress_save, rank_get,
  safely_connect,
  search_and_cache,
  searchterm_gen, seeds_blast,
  seq_download, seqarc_gen,
  seqrec_augment,
  seqrec_convert, seqrec_gen,
  seqrec_get, sids_check,
  sids_get, sids_load,
  sids_save, sqs_count,
  sqs_load, sqs_save,
  stage_args_check, stages_run,
  tax_download, taxdict_gen,
  taxtree_gen, txids_get,
  txnds_count, warn