add example pdf-to-text script

data/pdf-to-txt.md

@@ -18,3 +18,4 @@ Arch: tesseract-data-eng and poppler-utils
 > tesseract -l eng  "$x" - >> *out*.txt
 > done
 
+- [Example script](data/pdf-to-txt.sh)

data/pdf-to-txt.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+pdftoppm -png input.pdf page
+
+for x in *png; do
+	tesseract -l eng  "$x" - >> out.tex
+done
+
+rm *png
+
+sed -i -ze :a -e 's/\([a-z]\)\(-\)\n\+\([a-zA-Z]\)/\1\3/g' out.tex
+sed -i -ze :a -e 's/\([a-z]\)\n\+\([a-zA-Z]\)/\1 \2/g' out.tex
+sed -i -ze :a -e 's/\([A-Z]\){3}\+\n/\1 XYZ/g' out.tex
+sed -i -ze :a -e 's/\n\([A-Z]\{3\}\+\)\n/\\section{\1}\n/g' out.tex
+sed -i -ze :a -e 's/\([a-z]\)\. \([A-Z]\)/\1\.\n\2/g' out.tex
+
+sed -i 's/“//g' out.tex
+sed -i "s/”/''/g" out.tex
+sed -i "s/’/'/g" out.tex
+sed -i "s/‘/'/g" out.tex
+sed -i "s/\.''/''\./g" out.tex
+sed -i "s/ — / -- /g" out.tex
+sed -i 's/\$/\\$/g' out.tex
+sed -i 's/%/\\%/g' out.tex
+sed -i 's/&/\\&/g' out.tex