ill.sh os x upload script

ill.sh

#1/bin/sh
# written by haze (feb 4, 2017)

FILE=$1
ILL_FOLDER=$HOME/.ill
KEY_FILE=$ILL_FOLDER/upload.key
if [ ! -f $KEY_FILE ]; then
  echo "ill.fi upload key not found. creating file (~/.ill/upload.key), please pbpaste key into file."
  if [ ! -d $ILL_FOLDER ]; then
    mkdir $ILL_FOLDER
  fi
  touch $KEY_FILE
else

  if [ -z "$1" ]; then
    screencapture -i /tmp/ill-screenshot.png
    FILE=/tmp/ill-screenshot.png
  fi

  DATA="$(curl --silent -F key=$(cat $HOME/.ill/upload.key) -F file=@$FILE https://ill.fi/api/upload)"
  FILENAME=$(echo $DATA | jq -r '.filename')
  ERROR_BOOL=$(echo $DATA | jq -r '.error')
  ERROR=$(echo $DATA | jq -r '.message')
  if [ "$ERROR_BOOL" == "false" ]; then
    echo "https://ill.fi/$FILENAME" | pbcopy
  else
    echo $ERROR | pbcopy
  fi
fi