/Users/jta/a/lib/revit/jeremy/diff_2023_2023_1.txt

cd /Users/jta/a/lib/revit/

Remove binary sample models:

ffrm "*.rvt"
ffrm "*.rfa"

/Users/jta/a/lib/revit % du 2023.1 | cut -d / -f2- > jeremy/du2023_1.txt

Comparing directories only:

cd /Users/jta/a/lib/revit/jeremy/

% diff du2023.txt du2023_1.txt >> diff_2023_2023_1.txt

842c842
< 2023
---
> 542280	2023.1

Comparing files and directories:

cd /Users/jta/a/lib/revit/2023.1/
find . | sort  > ../jeremy/ff2023_1.txt
diff ff2023.txt ff2023_1.txt >> diff_2023_2023_1.txt

1009a1010
> ./Samples/ContextualAnalyticalModel/CS/CreateAnalyticalCurvedPanel.cs
1966c1967
< ./Samples/GeometryAPI/GeometryCreation_BooleanOperation/CS/AnalysisVisualizationFramework .cs
---
> ./Samples/GeometryAPI/GeometryCreation_BooleanOperation/CS/AnalysisVisualizationFramework.cs
3913d3913
< ./ff2023.txt

One new C# sample module: CreateAnalyticalCurvedPanel.cs

Extraneous space removed in the AnalysisVisualizationFramework.cs module filename