pdf files; edits

quarto/make_pdf.jl

@@ -0,0 +1,32 @@
+# make pdf files
+# should run in each director julia make.jl
+
+using PDFmerger
+
+dirs = (
+    "precalc",
+    "limits",
+    "derivatives",
+    "integrals",
+    "ODEs",
+    "differentiable_vector_calculus",
+    "integral_vector_calculus",
+    "alternatives",
+    "misc"
+)
+
+function (@main)(args...)
+    @info "Making index pages"
+    run(`quarto render _pdf_index.qmd --to typst`)
+    for d in dirs
+        cd(d)
+        @info "Making files in $d"
+        include("make_pdf.jl")
+        cd("..")
+    end
+
+    @info "Stitch together pdfs"
+    pieces = ["_pdf_index.pdf"]
+    append!(pieces, dirs .* "/_pdf_index.pdf")
+    merge_pdfs(pieces, "CalculusWithJulia.pdf")
+end