Merge pull request #138 in SAT/falcon from feature/TAG-2250-dazzler-s…

…ub-commands-with-datander to develop

* commit 'ec1d06def82c9b8410e03cf0689363f2bb520c30':
  Add dazzler sub-commands for split/apply/combine strategy
  Fix any relative input paths in generic_scatter_one and generic_run
  Add rm_force()
  Relax NPROC for build_rdb/pdb

falcon_kit/io.py

@@ -145,6 +145,15 @@ def yield_abspath_from_fofn(fofn_fn):
         raise
 
 
+def rmdirs(*dirnames):
+    for d in dirnames:
+        assert os.path.normpath(d.strip()) not in ['.', '', '/']
+    syscall('rm -rf {}'.format(' '.join(dirnames)))
+
 def rmdir(d):
-    assert os.path.normpath(d.strip()) not in ['.', '', '/']
-    syscall('rm -rf {}'.format(' '.join(d)))
+    rmdirs(d)
+
+def rm_force(*fns):
+    for fn in fns:
+        if os.path.exists(fn):
+            os.unlink(fn)