add abs code

code/Makefile

@@ -0,0 +1,25 @@
+
+.DEFAULT_GOAL := run
+
+.PHONY: compile
+compile: journey.abs		## Compile the model
+	absc -e journey.abs
+
+.PHONY: run
+run: compile	       ## Compile and run the model
+	gen/erl/run | python extract-summary-files.py
+
+.PHONY: serve
+serve: compile	       ## Compile and run the model, including web api on port 8080
+	gen/erl/run -p 8080
+
+.PHONY: clean
+clean:				## Clean build artifacts
+	rm -rf gen/ *.csv
+
+# "make print-PATH" prints the value of PATH, etc.
+print-%: ; @echo $*=$($*)
+
+.PHONY: help
+help:				## Output this help message
+	@grep -E '^[a-zA-Z_%-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'

code/extract-summary-files.py

@@ -0,0 +1,30 @@
+import re
+import sys
+
+def write_to_file(filename, lines):
+    with open(filename, 'w') as file:
+        for line in lines:
+            file.write(line)
+
+def main():
+    current_file = None
+    current_lines = []
+
+    filename_pattern = re.compile(r"===== ([a-zA-Z0-9._]+) =====")
+
+    for line in sys.stdin:
+        match = filename_pattern.match(line.strip())
+        if match:
+            if current_file is not None:
+                write_to_file(current_file, current_lines)
+                current_lines = []
+
+            current_file = match.group(1)  # Extract the filename from the matched pattern
+        else:
+            current_lines.append(line)
+
+    if current_file is not None:
+        write_to_file(current_file, current_lines)
+
+if __name__ == '__main__':
+    main()