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#!/bin/sh
# Imgur script by Bart Nagel <bart@tremby.net>
# Improvements by Tino Sino <robottinosino@gmail.com>
# Made POSIX-compliant by John Ankarström <john@ankarstrom.se>
# Version 6 or more
# I release this into the public domain. Do with it what you will.
# The latest version can be found at https://github.com/tremby/imgur.sh
# API Key provided by Bart;
# replace with your own or specify yours as IMGUR_CLIENT_ID envionment variable
# to avoid limits
default_client_id=c9a6efb3d7932fd
client_id="${IMGUR_CLIENT_ID:=$default_client_id}"
# Function to output usage instructions
usage() {
echo "Usage: $(basename $0) [<filename|URL> [...]]" >&2
echo
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
echo "A filename can be - to read from stdin. If no filename is given, stdin is read." >&2
echo
echo "If xsel, xclip, pbcopy, or clip is available," >&2
echo "the URLs are put on the X selection or clipboard for easy pasting." >&2
}
# Function to upload a path
# First argument should be a content spec understood by curl's -F option
upload() {
curl -s -H "Authorization: Client-ID $client_id" -H "Expect: " -F "image=$1" https://api.imgur.com/3/image.xml
# 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.
}
# Check arguments
if [ x"$1" = x"-h" -o x"$1" = x"--help" ]; then
usage
exit 0
elif [ $# -eq 0 ]; then
echo "No file specified; reading from stdin" >&2
exec "$0" -
fi
# Check curl is available
type curl 2>&1 >/dev/null || {
echo "Couldn't find curl, which is required." >&2
exit 17
}
clip=""
errors=false
# Loop through arguments
while [ $# -gt 0 ]; do
file="$1"
shift
# Upload the image
case "$file"
http://*|https://*)
# URL -> imgur
response=$(upload "$file") 2>/dev/null
;;
*)
# File -> imgur
# Check file exists
if [ x"$file" != x"-" -a ! -f "$file" ]; then
echo "File '$file' doesn't exist; skipping" >&2
errors=true
continue
fi
response=$(upload "@$file") 2>/dev/null
esac
if [ $? -ne 0 ]; then
echo "Upload failed" >&2
errors=true
continue
elif echo "$response" | grep -q 'success="0"'; then
echo "Error message from imgur:" >&2
msg="${response##*<error>}"
echo "${msg%%</error>*}" >&2
errors=true
continue
fi
# Parse the response and output our stuff
url="${response##*<link>}"
url="${url%%</link>*}"
delete_hash="${response##*<deletehash>}"
delete_hash="${delete_hash%%</deletehash>*}"
echo $url | sed 's/^http:/https:/'
echo "Delete page: https://imgur.com/delete/$delete_hash" >&2
# Append the URL to a string so we can put them all on the clipboard later
clip+="$url"
if [ $# -gt 0 ]; then
clip+=$'\n'
fi
done
# Put the URLs on the clipboard if we can
if type pbcopy 2>&1 >/dev/null; then
echo -n "$clip" | pbcopy
elif type clip 2>&1 >/dev/null; then
echo -n "$clip" | clip
elif [ $DISPLAY ]; then
if type xsel 2>&1 >/dev/null; then
echo -n "$clip" | xsel -i
elif type xclip 2>&1 >/dev/null; then
echo -n "$clip" | xclip
else
echo "Haven't copied to the clipboard: no xsel or xclip" >&2
fi
else
echo "Haven't copied to the clipboard: no \$DISPLAY or pbcopy or clip" >&2
fi
if $errors; then
exit 1
fi
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