--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lineend.py	Fri Jun 20 19:52:39 2008 -0400
@@ -0,0 +1,41 @@
+import pyparsing, sys, doctest
+
+pattern = pyparsing.Optional(pyparsing.CharsNotIn(';')) + ';'
+pattern.ignore(pyparsing.sglQuotedString)
+pattern.ignore(pyparsing.sglQuotedString)
+
+redirect_pattern = pyparsing.Optional(pyparsing.CharsNotIn('<>')) + pyparsing.oneOf('< >') + pyparsing.Word(pyparsing.printables)
+redirect_pattern.ignore(pyparsing.sglQuotedString)
+redirect_pattern.ignore(pyparsing.sglQuotedString)
+
+def parse(txt, mustBeTerminated=False):
+    """
+    >>> sorted(parse('select * from dual;', True).items())
+    [('complete', True), ('inputFrom', None), ('outputTo', None), ('pipeTo', None)]
+    >>> sorted(parse('select * from', True).items())
+    [('complete', False), ('inputFrom', None), ('outputTo', None), ('pipeTo', None)]
+    >>> sorted(parse('select * from dual; > result.txt', True).items())
+    [('complete', True), ('inputFrom', None), ('outputTo', 'result.txt'), ('pipeTo', None)]
+    """
+    result = {'complete': not mustBeTerminated, 'inputFrom': None, 'outputTo': None, 'pipeTo': None}
+    if mustBeTerminated:
+        try:
+            pattern.parseString(txt)
+            result['complete'] = True
+        except pyparsing.ParseException:
+            pass
+            
+    if result['complete']:
+        try:
+            parsed = redirect_pattern.parseString(txt)
+            if parsed[1] == '>':
+                result['outputTo'] = parsed[2]
+            else:
+                result['inputFrom'] = parsed[2]
+        except pyparsing.ParseException:
+            pass
+    return result
+    
+if __name__ == '__main__':
+    doctest.testmod()    
+    
\ No newline at end of file