diff --git a/src/tfscript/cli.py b/src/tfscript/cli.py
index 500812e..71987ae 100644
--- a/src/tfscript/cli.py
+++ b/src/tfscript/cli.py
@@ -40,8 +40,10 @@ def parseFile(inputFile) -> (dict, dict):
     # See verify.py
     config, aliases = verify.verifyConfig(config)
     if "errors" in config:
-        for e in config["errors"]:
-            print(e, file=stderr)
+        for cclass, messages in config["errors"].items():
+            print(f"Error in {cclass}:")
+            for msg in messages:
+                print(f"    {msg}")
         return None, None
     else:
         return config, aliases
@@ -59,7 +61,7 @@ def parseConfig(config, defaults):
     tempsAndReals = {}
 
     if defaults is not None:
-        stringToWrite = tfscript.makeCFG(defaults)
+        stringToWrite = tfscript.makeCFG(defaults, default=True)
         replaceDict = writing.writeOutput(stringToWrite, "default", args)
         tempsAndReals.update(replaceDict)
 
@@ -129,10 +131,15 @@ def main() -> int:
     parser = parseCLI()
 
     args = parser.parse_args()
+
+    systemName = GetOSName()
     if args.directory is not None:
-        targetDir = args.directory
+        targetDir = normpath(args.directory)
+        if systemName == "Windows":
+            targetDir += '\\'
+        else:
+            targetDir += '/' 
     else:
-        systemName = GetOSName()
         targetDir = getTargetDir(systemName)
         if targetDir is not None:
             # Supported OS: add steamapps path
diff --git a/src/tfscript/writing.py b/src/tfscript/writing.py
index f2a5cab..2b939a9 100644
--- a/src/tfscript/writing.py
+++ b/src/tfscript/writing.py
@@ -55,7 +55,7 @@ def writeOutput(data, className, args) -> dict:
 
     outfile.close() # the most-recent tempfile will not have been closed
     if args.debug:
-        print( f'DEBUG: Wrote {bytesWritten} bytes to {className} ({fileNum}/{filesNeeded})', file=stderr)
+        print( f'DEBUG: Wrote {bytesWritten} bytes to {className} ({fileNum}/{filesNeeded})', end='\n\n', file=stderr)
 
     return namesDict
 
@@ -70,6 +70,10 @@ def replaceFiles(targetDir, fileNames, args):
             if args.debug:
                 print( f'DEBUG: Created {targetDir}{realName}', file=stderr)
 
+    if args.debug:
+        # Break up the debug messages
+        print(end='\n')
+
     return list(fileNames.values())
 
 def appendToActuals(targetDir, fileList, defaultsGiven, args):
@@ -87,6 +91,7 @@ def appendToActuals(targetDir, fileList, defaultsGiven, args):
         ]
         for cclass in classList:
             addCallIfUncalled('exec default_script_1', targetDir, cclass, args)
+
     fileList = onlyFirsts(fileList)
     for currFile in fileList:
         execStr = f'exec {currFile.split(".")[0]}'
@@ -98,10 +103,10 @@ def addCallIfUncalled(execStr, targetDir, fileName, args):
     realExists = exists(realFilePath)
 
     # creates if it doesn't exist, so must come after the exists() call
-    cfgFile = open(realFilePath, 'r+')
+    cfgFile = open(realFilePath, 'a+')
     if not realExists:
         if args.debug:
-            print( f"DEBUG: Created file {targetDir}{realFilePath}" )
+            print( f"DEBUG: Created {realFilePath}" )
         cfgFile.write(execStr + '\n')
 
     elif not strInFile(execStr, cfgFile):
@@ -132,10 +137,12 @@ def getRealName(fileName):
     return className + '.cfg'
 
 def strInFile(execStr, f):
-    lineList = [ ' '.join(line.split()) for line in f.readlines() ]
+    # Opened in append mode, so cursor is at the end.
+    # Must reopen to put cursor at the start.
+    with open(f.name, 'r') as dupfile:
+        lineList = [ ' '.join(line.split()) for line in dupfile.readlines() ]
     for line in lineList:
         # Remove indent and outdent, including trailing newline
-        print(line)
         if execStr == line:
             return True