[OSX] Rokket Based Screenshot

#!/bin/bash
# scrot -> rokket.space, by @Smallinger
# https://rokket.space

# darwin screenshot options
# https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man1/screencapture.1.html
SCROTARGS=(-C -s)
# screenshots save or delete after upload ? 1 or 0
DELETE=0
# change here the folder for the screenshots to save
FOLDER="$HOME/Desktop/.scrotrokket"

# create screenshot folder
if [[ ! -e $FOLDER ]]; then
mkdir $FOLDER
fi

while (( "$#" )); do
if [ "$1" == "--delete" ]; then
DELETE=1
else
SCROTARGS+=($1)
fi
shift
done

# take the shot
if [[ "`uname`" == "Darwin" ]]; then
# assume Darwin is Mac OS X. Sorry, Darwin guys.
FILE="$FOLDER/scrotrokket-$(date '+%Y%m%d_%H%M%S').png"
screencapture ${SCROTARGS[@]} "${FILE}"
else
FILE="`scrot ${SCROTARGS[@]} -e 'echo -n $f'`"
fi

# upload it and grab the URL
BASE=""; TRY=0
while [[ "x$BASE" == "x" ]] && [[ $TRY -lt 3 ]]; do
TRY=$[$TRY + 1]
echo "Uploading... (try $TRY)"
JSON="`curl -sf -F "files[]=@$FILE" https://rokket.space/upload.php`"
BASE="`echo "$JSON" | python -c "from __future__ import print_function;print(__import__('json').loads(__import__('sys').stdin.read())['files'][0]['url'])" 2>/dev/null`"
done

# try upload 3 times
if [[ $TRY -eq 3 ]]; then
echo "Giving up."
# notification... later
osascript -e 'display notification "Contact Administrator" with title "Upload has Canceled" subtitle "Cancel upload after 3 trys"'
exit
fi

URL="$BASE"

# copy the URL to the clipboard
if [[ `type -p xclip` ]]; then
echo "$URL" | xclip -selection clipboard
echo "$URL (has been copied to clipboard)"
elif [[ `type -p pbcopy` ]]; then
echo "$URL" | pbcopy
echo "$URL (has been copied to clipboard)"
osascript -e 'display notification ""with title "Upload has finished" subtitle "URL (has been copied to clipboard)"'
# "$(pbpaste)" save.
else
echo "$URL"
fi

if [[ $DELETE -eq 1 ]]; then
rm -f "${FILE}"
fi