From a01a67017da884a0171b995c74743f51dd210833 Mon Sep 17 00:00:00 2001
From: Paul Saxe <paul@thesaxes.net>
Date: Tue, 27 Sep 2022 15:15:41 -0400
Subject: [PATCH] Added more options to control writing to multiple files, etc.

---
 .../write_structure_parameters.py             | 33 ++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/read_structure_step/write_structure_parameters.py b/read_structure_step/write_structure_parameters.py
index 6606e36..8b2b522 100644
--- a/read_structure_step/write_structure_parameters.py
+++ b/read_structure_step/write_structure_parameters.py
@@ -74,13 +74,44 @@ class WriteStructureParameters(seamm.Parameters):
             "default_units": "",
             "enumeration": (
                 "current configuration",
-                "all configurations of current system",
+                "current system",
                 "all systems",
+                "list of configurations",
             ),
             "format_string": "s",
             "description": "Structures to write:",
             "help_text": ("The set of structures to write"),
         },
+        "configurations": {
+            "default": "all",
+            "kind": "string",
+            "default_units": "",
+            "enumeration": ("all",),
+            "format_string": "s",
+            "description": "Configuration(s) to write:",
+            "help_text": "The configurations to write: a name, or 'all configurations'",
+        },
+        "number per file": {
+            "default": "all",
+            "kind": "integer",
+            "default_units": "",
+            "enumeration": ("all",),
+            "format_string": "",
+            "description": "# structures per file:",
+            "help_text": "The number of structures to write per file.",
+        },
+        "ignore missing": {
+            "default": "yes",
+            "kind": "boolean",
+            "default_units": "",
+            "enumeration": (
+                "yes",
+                "no",
+            ),
+            "format_string": "s",
+            "description": "Ignore missing structures:",
+            "help_text": "Silently ignore structures that don't exist.",
+        },
     }
 
     def __init__(self, defaults={}, data=None):