imgur (fixed work with clipboard)

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#!/usr/bin/env 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 -b; } \
|| { type xclip >/dev/null 2>/dev/null && echo -n $clip | xclip -selection clipboard; } \
|| 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