summaryrefslogtreecommitdiff
path: root/extras/mkocrpdf.sh
diff options
context:
space:
mode:
Diffstat (limited to 'extras/mkocrpdf.sh')
-rw-r--r--extras/mkocrpdf.sh22
1 files changed, 22 insertions, 0 deletions
diff --git a/extras/mkocrpdf.sh b/extras/mkocrpdf.sh
new file mode 100644
index 0000000..165059a
--- /dev/null
+++ b/extras/mkocrpdf.sh
@@ -0,0 +1,22 @@
+#!/bin/sh
+#
+# Makes a PDF with embedded text extracted by tesseract
+#
+# Requires imagemagick, pdftk, hocr2pdf and tesseract
+#
+# Also requires this tesseract configuration:
+# echo 'tessedit_create_hocr 1' > /usr/local/share/tessdata/configs/hocr
+
+for i in `ls *png`
+do
+ a=`basename $i .png`
+ echo processing $a
+
+ tesseract $i $a hocr 2>/dev/null
+
+ # hocr2pdf has a habit of segfaulting, so fall back to convert
+ hocr2pdf -i $i -o $a.pdf < $a.html || convert $i $a.pdf
+ rm -f $a.html
+done
+
+pdftk *pdf cat output book.pdf