add new compile script

.gitignore

@@ -3,3 +3,4 @@
 *.aux
 *.log
 gdim.tex
+tmp.tex

compile.sh

+# cp edit-this-file.tex tmp.tex
+
 inotifywait -e close_write,moved_to,create -m . |
 while read -r directory events filename; do
   if [ "$filename" = "edit-this-file.tex" ]; then
-    pandoc -f org -t latex edit-this-file.tex -s -o gdim.tex --metadata-file meta.yaml
+    cp edit-this-file.tex tmp.tex
+    python3 preprocessor.py
+    pandoc -f org -t latex tmp.tex -s -o gdim.tex --metadata-file meta.yaml
     pdflatex gdim.tex --non-stop-mode
     echo "wait for next change..."
   fi
 done
-

edit-this-file.tex

@@ -46,20 +46,20 @@ Zitatinhalt
 ** Definition
 
 Sei $x\in \mathbb R$, dann:
-\begin{equation*}
+$$=
   x=\sqrt{b}
-\end{equation*}
+$$=
 für ein $b\in \mathbb C$.
 
 Beweis:
 
 - Als erstes $f\colon A \to B$
 - Nun noch
-\begin{eqnarray*}
+$$
   3
   &=& 2 + 1
   \\&=& 1 + 1 +1
-\end{eqnarray*}
+$$
 
 ** Satz von X
 
@@ -69,3 +69,4 @@ Beweis:
 
  * Siehe vorheriger Beweis
  * dann erhalte nichts
+

preprocessor.py

+#TODO Algorithmic efficiency
+
+filename = "tmp.tex"
+
+with open(filename, 'r') as file:
+  data = file.read()
+  copy = data
+  while True:
+    data = copy
+    copy = copy.replace("\n$$\n", '\n\\begin{eqnarray*}\n', 1)
+    copy = copy.replace("\n$$\n", '\n\\end{eqnarray*}\n', 1)
+    copy = copy.replace("\n$$=\n", '\n\\begin{equation*}\n', 1)
+    copy = copy.replace("\n$$=\n", '\n\\end{equation*}\n', 1)
+    print(data, copy)
+    if data == copy:
+      break
+
+with open(filename, 'w') as file:
+  file.write(data)