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dan-download.sh

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+#!/bin/bash
+
+# Replace with your danbooru login and API key
+LOGIN="youridhere"
+API_KEY="your_api_key_here_xxxxx"
+
+
+# This script takes filenames
+# on stdin, and then downloads from danbooru to local directories,
+# matching the format.
+# The format should be:
+#   data-xxxx/filename.jpg
+
+#########################################################################
+#
+# script internals only, beyond this point.
+#########################################################################
+
+
+
+# This func takes an image pathname, and calculates the 
+# danbooru image id from the filename.
+# It then grabs the original image,
+# and the tag info (for .txt), if the jpg does not already exist
+download_image(){
+	[[ -f $1 ]] && return
+
+
+	# strip off leading directory names, and file extensions
+	id=${1##*/}
+	id=${id%*.???}
+
+	IMAGE_ID=$id
+	imgfile=$IMAGE_ID.jpg
+	
+	POST_DATA=$(curl -q -s -u "$LOGIN:$API_KEY" "https://danbooru.donmai.us/posts/$IMAGE_ID.json")
+	# debug
+	#echo $POST_DATA >/tmp/post_data.json
+
+	IMAGE_URL=$(echo $POST_DATA | jq -r '.file_url')
+	# Using _general gives us the non-artist/character tags
+	# Remove _general if you want that included
+	TAG_INFO=$(echo $POST_DATA | jq -r '.tag_string_general')
+
+	if [[ "$IMAGE_URL" == "null" ]] ; then
+		echo ERROR RETREIVING POST
+		echo DEBUG:
+		echo $POST_DATA
+	else
+		echo Downloading to  $imgfile
+		curl -s  "$IMAGE_URL" > $imgfile
+		tagfile=$IMAGE_ID.txt
+		[[ -f $tagfile ]] || echo "$TAG_INFO" >$tagfile
+	fi
+
+
+}
+
+
+while read oneline ; do
+	download_image $oneline
+done
+
+
+