From e58b0ded9d8a625cc6ae5148fd8bde74fce56bd7 Mon Sep 17 00:00:00 2001
From: Castro0o <andre@andrecastro.info>
Date: Wed, 15 Nov 2017 18:51:45 +0100
Subject: [PATCH] script to convert 1st page of PDF to jpeg

---
 README       |  8 ++++++++
 pdf_cover.sh | 25 +++++++++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 pdf_cover.sh

diff --git a/README b/README
index 2e82421..a7b4f29 100644
--- a/README
+++ b/README
@@ -31,6 +31,14 @@ python wiki-download.py --help
 
 python imposition.py --dir imgs/  --size a3 --order random
 
+### pdf_cover.sh
+Converts first page of PDFs to a jpeg with the ending _cover.jpeg
+
+Usage:
+./pdf_cover.sh imgs-dir-name
+
+Software dependencies:
+gs (ghostscript)
 
 
 ### imgs2pdf.sh
diff --git a/pdf_cover.sh b/pdf_cover.sh
new file mode 100644
index 0000000..a9124dc
--- /dev/null
+++ b/pdf_cover.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# Script converts first page of PDFs to a jpeg with the ending _cover.jpeg
+# Software dependencies: gs
+# Usage: ./pdf_cover.sh imgs-dir-name
+
+DIR=""
+echo ${#1}
+
+if [ ${#1} -gt 0 ] # check arguments given
+then
+    DIR=$1
+    echo "PDF from $DIR directory: cover converted to png"
+
+    for f in $DIR/*.pdf # convert imgs to tmp pdfs
+    do
+	COVER=$DIR/`basename "$f" .pdf`_cover.jpeg
+	echo $COVER
+	gs -q -dNOPAUSE -dSAFER  -dBATCH -sDEVICE=jpeg -r300x300 -sOutputFile="$COVER" -dLastPage=1 "$f"
+#       convert "$f"[0] "$COVER"
+    done
+#    pdftk $DIR*.pdf cat output $FILENAME # concatonate single pdf into 1 pdf 
+else
+    echo "You forgot to provide the PDFs directory as first argument"
+fi