From 3513c8d066dac595f92ed12dd37da9cbd51cc186 Mon Sep 17 00:00:00 2001
From: Joe Carstairs <me@joeac.net>
Date: Tue, 30 Jun 2026 12:34:56 +0100
Subject: uses pandoc wordcount lua-filter and no-refs build via latex for more
 accurate word-counts

---
 .gitignore            |  2 ++
 Makefile              | 51 +++++++++++++++++++++++++++++++++++++++------------
 filters/wordcount.lua | 28 ++++++++++++++++++++++++++++
 3 files changed, 69 insertions(+), 12 deletions(-)
 create mode 100644 filters/wordcount.lua

diff --git a/.gitignore b/.gitignore
index 158f858..94e96c1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 *.pdf
 .vim
 dissertation.md
+dissertation.latex
+dissertation-no-references.latex
diff --git a/Makefile b/Makefile
index 45f0260..0b6c869 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,7 @@
 BIBLIOGRAPHY := bibliography.bib
 TEMPLATE_FILES := $(wildcard templates/*)
 TEMPLATE := templates/default.latex
+WORDCOUNT_FILTER := filters/wordcount.lua
 DISSERTATION_FRONTMATTER := frontmatter.yml
 DISSERTATION_MARKDOWN := dissertation.md
 INTRODUCTION_MARKDOWN := chapter0.md
@@ -11,7 +12,10 @@ CHAPTER_4_MARKDOWN := chapter4.md
 CONCLUSION_MARKDOWN := chapter5.md
 LOG_MARKDOWN := log.md
 SCRAPBOOK_MARKDOWN := scrapbook.md
+DISSERTATION_LATEX := dissertation.latex
+DISSERTATION_LATEX_NO_REFERENCES := dissertation-no-references.latex
 DISSERTATION_PDF := dissertation.pdf
+DISSERTATION_PDF_NO_REFERENCES := dissertation-no-references.pdf
 LOG_PDF := log.pdf
 SCRAPBOOK_PDF := scrapbook.pdf
 
@@ -58,15 +62,23 @@ $(SCRAPBOOK_PDF): $(SCRAPBOOK_MARKDOWN) $(BIBLIOGRAPHY) $(TEMPLATE_FILES)
 
 dissertation: $(DISSERTATION_PDF)
 
-$(DISSERTATION_PDF): $(DISSERTATION_MARKDOWN) $(BIBLIOGRAPHY) $(TEMPLATE_FILES)
+$(DISSERTATION_PDF): $(DISSERTATION_LATEX)
 	pandoc \
     	--standalone \
-    	--from markdown \
+    	--from latex \
     	--to pdf \
     	--pdf-engine pdflatex \
+    	--output $(DISSERTATION_PDF) \
+    	$(DISSERTATION_LATEX)
+
+$(DISSERTATION_LATEX): $(DISSERTATION_MARKDOWN) $(BIBLIOGRAPHY) $(TEMPLATE_FILES)
+	pandoc \
+    	--standalone \
+    	--from markdown \
+    	--to latex \
     	--citeproc \
         --template $(TEMPLATE) \
-    	--output $(DISSERTATION_PDF) \
+    	--output $(DISSERTATION_LATEX) \
     	$(DISSERTATION_MARKDOWN)
 
 .SILENT: $(DISSERTATION_MARKDOWN)
@@ -91,16 +103,31 @@ $(DISSERTATION_MARKDOWN): $(DISSERTATION_FRONTMATTER) $(INTRODUCTION_MARKDOWN) $
 	echo "" >> $(DISSERTATION_MARKDOWN)
 
 .SILENT: wordcount
-wordcount: $(DISSERTATION_MARKDOWN)
-	echo "Introduction: ~$$(cat $(INTRODUCTION_MARKDOWN) | wc -w)"
-	echo "Chapter 1: ~$$(cat $(CHAPTER_1_MARKDOWN) | wc -w)"
-	echo "Chapter 2: ~$$(cat $(CHAPTER_2_MARKDOWN) | wc -w)"
-	echo "Chapter 3: ~$$(cat $(CHAPTER_3_MARKDOWN) | wc -w)"
-	echo "Chapter 4: ~$$(cat $(CHAPTER_4_MARKDOWN) | wc -w)"
-	echo "Conclusion: ~$$(cat $(CONCLUSION_MARKDOWN) | wc -w)"
+wordcount: $(DISSERTATION_PDF_NO_REFERENCES)
+	echo "Introduction: $$(pandoc --lua-filter $(WORDCOUNT_FILTER) $(INTRODUCTION_MARKDOWN))"
+	echo "Chapter 1: $$(pandoc --lua-filter $(WORDCOUNT_FILTER) $(CHAPTER_1_MARKDOWN))"
+	echo "Chapter 2: $$(pandoc --lua-filter $(WORDCOUNT_FILTER) $(CHAPTER_2_MARKDOWN))"
+	echo "Chapter 3: $$(pandoc --lua-filter $(WORDCOUNT_FILTER) $(CHAPTER_3_MARKDOWN))"
+	echo "Chapter 4: $$(pandoc --lua-filter $(WORDCOUNT_FILTER) $(CHAPTER_4_MARKDOWN))"
+	echo "Conclusion: $$(pandoc --lua-filter $(WORDCOUNT_FILTER) $(CONCLUSION_MARKDOWN))"
 	echo "Footnotes: ???"
 	echo "References: ???"
-	echo "Total: ~$$(cat $(DISSERTATION_MARKDOWN) | tail -n +6 | wc -w) + footnotes"
+	echo "Total: $$(pdfgrep -o '\w+' $(DISSERTATION_PDF_NO_REFERENCES) | wc -w) ($$(pandoc --lua-filter $(WORDCOUNT_FILTER) $(DISSERTATION_MARKDOWN)) + footnotes)"
+
+$(DISSERTATION_PDF_NO_REFERENCES): $(DISSERTATION_LATEX_NO_REFERENCES)
+	pandoc \
+    	--standalone \
+    	--from latex \
+    	--to pdf \
+    	--pdf-engine pdflatex \
+    	--output $(DISSERTATION_PDF_NO_REFERENCES) \
+    	$(DISSERTATION_LATEX_NO_REFERENCES)
+
+bib_start_line_index = $(shell grep -nm 1 "^\\\\begin{CSLReferences}" $(DISSERTATION_LATEX) | sed "s/^\([0-9]*\):.*$$/\1/")
+bib_end_line_index = $(shell grep -nm 1 "^\\\\end{CSLReferences}" $(DISSERTATION_LATEX) | sed "s/^\([0-9]*\):.*$$/\1/")
+$(DISSERTATION_LATEX_NO_REFERENCES): $(DISSERTATION_LATEX)
+	head -n $$(( $(bib_start_line_index) - 1 )) $(DISSERTATION_LATEX) > $(DISSERTATION_LATEX_NO_REFERENCES)
+	tail -n +$$(( $(bib_end_line_index) + 1 )) $(DISSERTATION_LATEX) >> $(DISSERTATION_LATEX_NO_REFERENCES)
 
 clean:
-	rm -f $(LOG_PDF) $(SCRAPBOOK_PDF) $(DISSERTATION_MARKDOWN) $(DISSERTATION_PDF)
+	rm -f $(LOG_PDF) $(SCRAPBOOK_PDF) $(DISSERTATION_MARKDOWN) $(DISSERTATION_LATEX) $(DISSERTATION_LATEX_NO_REFERENCES) $(DISSERTATION_PDF) $(DISSERTATION_PDF_NO_REFERENCES)
diff --git a/filters/wordcount.lua b/filters/wordcount.lua
new file mode 100644
index 0000000..587f45d
--- /dev/null
+++ b/filters/wordcount.lua
@@ -0,0 +1,28 @@
+-- counts words in a document
+
+words = 0
+
+wordcount = {
+  Str = function(el)
+    -- we don't count a word if it's entirely punctuation:
+    if el.text:match("%P") then
+        words = words + 1
+    end
+  end,
+
+  Code = function(el)
+    _,n = el.text:gsub("%S+","")
+    words = words + n
+  end,
+
+  CodeBlock = function(el)
+    _,n = el.text:gsub("%S+","")
+    words = words + n
+  end
+}
+
+function Pandoc(el)
+    pandoc.walk_block(pandoc.Div(el.blocks), wordcount)
+    print(words)
+    os.exit(0)
+end
-- 
cgit v1.2.3