Add Bart's imgur uploader for Linux

imgurbash.sh

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+#!/bin/bash
+
+# imgur script by Bart Nagel <bart@tremby.net>
+# version 4
+# I release this into the public domain. Do with it what you will.
+
+# Required: curl
+#
+# Optional: xsel or xclip for automatically putting the URLs on the X selection 
+# for easy pasting
+#
+# Instructions:
+# Put it somewhere in your path and maybe rename it:
+# 	mv ~/Downloads/imgurbash.sh ~/bin/imgur
+# Make it executable:
+# 	chmod +x ~/bin/imgur
+# Optional, since Alan kindly provided an API key for this script: stick your 
+# API key in the top:
+# 	vim ~/bin/imgur
+# Upload an image:
+# 	imgur images/hilarious/manfallingover.jpg
+# Upload multiple images:
+# 	imgur images/delicious/cake.png images/exciting/bungeejump.jpg
+# The URLs will be displayed (and the delete page's URLs will be displayed on 
+# stderr). If you have xsel or xclip the URLs will also be put on the X 
+# selection, which you can usually paste with a middle click.
+
+# API Key provided by Alan@imgur.com
+apikey="b3625162d3418ac51a9ee805b1840452"
+
+# function to output usage instructions
+function usage {
+	echo "Usage: $(basename $0) <filename> [<filename> [...]]" >&2
+	echo "Upload images to imgur and output their new URLs to stdout. Each one's" >&2
+	echo "delete page is output to stderr between the view URLs." >&2
+	echo "If xsel or xclip is available, the URLs are put on the X selection for" >&2
+	echo "easy pasting." >&2
+}
+
+# check API key has been entered
+if [ "$apikey" = "Your API key" ]; then
+	echo "You first need to edit the script and put your API key in the variable near the top." >&2
+	exit 15
+fi
+
+# check arguments
+if [ "$1" = "-h" -o "$1" = "--help" ]; then
+	usage
+	exit 0
+elif [ $# == 0 ]; then
+	echo "No file specified" >&2
+	usage
+	exit 16
+fi
+
+# check curl is available
+type curl >/dev/null 2>/dev/null || {
+	echo "Couln't find curl, which is required." >&2
+	exit 17
+}
+
+clip=""
+errors=false
+
+# loop through arguments
+while [ $# -gt 0 ]; do
+	file="$1"
+	shift
+
+	# check file exists
+	if [ ! -f "$file" ]; then
+		echo "file '$file' doesn't exist, skipping" >&2
+		errors=true
+		continue
+	fi
+
+	# upload the image
+	response=$(curl -F "key=$apikey" -H "Expect: " -F "image=@$file" \
+		http://imgur.com/api/upload.xml 2>/dev/null)
+	# the "Expect: " header is to get around a problem when using this through 
+	# the Squid proxy. Not sure if it's a Squid bug or what.
+	if [ $? -ne 0 ]; then
+		echo "Upload failed" >&2
+		errors=true
+		continue
+	elif [ $(echo $response | grep -c "<error_msg>") -gt 0 ]; then
+		echo "Error message from imgur:" >&2
+		echo $response | sed -r 's/.*<error_msg>(.*)<\/error_msg>.*/\1/' >&2
+		errors=true
+		continue
+	fi
+
+	# parse the response and output our stuff
+	url=$(echo $response | sed -r 's/.*<original_image>(.*)<\/original_image>.*/\1/')
+	deleteurl=$(echo $response | sed -r 's/.*<delete_page>(.*)<\/delete_page>.*/\1/')
+	echo $url
+	echo "Delete page: $deleteurl" >&2
+
+	# append the URL to a string so we can put them all on the clipboard later
+	clip="$clip$url
+"
+done
+
+# put the URLs on the clipboard if we have xsel or xclip
+if [ $DISPLAY ]; then
+	{ type xsel >/dev/null 2>/dev/null && echo -n $clip | xsel; } \
+		|| { type xclip >/dev/null 2>/dev/null && echo -n $clip | xclip; } \
+		|| echo "Haven't copied to the clipboard: no xsel or xclip" >&2
+else
+	echo "Haven't copied to the clipboard: no \$DISPLAY" >&2
+fi
+
+if $errors; then
+	exit 1
+fi