add split-kochabo.sh

Signed-off-by: Florian Pritz <bluewind@xinu.at>

1 files changed, 48 insertions, 0 deletions

diff --git a/split-kochabo.sh b/split-kochabo.sh
new file mode 100755
index 0000000..8f30f32
--- /dev/null
+++ b/split-kochabo.sh
@@ -0,0 +1,48 @@
+#!/bin/bash
+#
+# This script can extract recipes from the PDFs mailed to customers of
+# kochabo.at.
+# Recipes from 2013 need extra processing for the file name in get_name().
+#
+
+set -e
+
+extract_pages() {
+	local first=$1
+	local last=$2
+	local output=$3
+	shift 3
+
+	gs -dNOPAUSE -dQUIET -dBATCH -dFirstPage=$first -dLastPage=$last -sOutputFile="$output" -sDEVICE=pdfwrite "$@"
+}
+
+get_name() {
+	pdftotext "$1" /dev/stdout | grep -B10 "Nährwertangaben pro Person" | sed '/[1-5]$/d; $d' | paste -sd " "
+	# needed for older files with all uppercase names
+	#| awk '{print tolower($0)}' sed 's/\b\(.\)/\u\1/g; s#\bMit\b#mit#g; s#\bUnd\b#und#g; s#\bAuf\b#auf#g; s#\s\+$##;'
+}
+
+mkdir -p extracted
+
+skip_pages=4
+for file; do
+	for i in 1 2 3 4 5; do
+		extract_pages $((skip_pages+((i-1)*2)+1)) $((skip_pages+((i-1)*2)+2)) rezept-$i.pdf "$file"
+		src=rezept-$i.pdf
+		name="$(get_name $src)"
+
+		if [[ -z $name ]]; then
+			rm "rezept-$i.pdf"
+			continue
+		fi
+
+		mv "$src" "extracted/$name.pdf"
+
+		pdfimages -j "extracted/$name.pdf" "extracted/$name"
+		rm -f extracted/*-{001,002,003,004}.{jpg,ppm}
+		mv "extracted/$name-000.jpg" "extracted/$name.jpg"
+	done
+done
+
+cd extracted
+generate-kochabo-index.sh