rlc

#! /bin/bash
SCRIPT=`basename ${BASH_SOURCE[0]}`
ARGS=("$@")

# Print usage and exit
function USAGE {
  echo -e "\nUsage: $SCRIPT 'topic'"
  echo -e "\nCreate a reading list from documents currently open in an application."
  echo -e "\nThe output is a series of comma separated value (CSV) lines written to standard"
  echo -e "out consisting of a topic tag and absolute path to an open document/file."
  echo -e "\nOptions recognized:"
  echo -e "-h -- Print usage message and exit"
  echo -e "-f -- Append output to named file (default: write to STDOUT)"
  echo -e "-a -- The application name (default: Preview)"
  echo -e "-t -- The document/file type opened by the application (default: '.pdf')"
  echo -e "\nAll remaining positional (non-option) parameters are concatenated (joined with"
  echo -e "a blank separator) and used as the reading list topic tag (default: 'ReadLater')\n"
  exit 1
}

# Option defaults
APP="Preview"
TYPE=".pdf"
FILE="STDOUT"

# Command line options
while getopts :ha:t:f: OPT; do
  case $OPT in
    a)
      APP=$OPTARG
      ;;
    t)
      TYPE=$OPTARG
      ;;
    f)
      FILE=$OPTARG
      ;;
    h)
      USAGE
      ;;
    \?)
      echo -e "\nInvalid command line option - $OPTARG"
      USAGE
      ;;
  esac
done

# Optionally redirect output and append to specified file
[ "$FILE" != "STDOUT" ] && exec >> $FILE

# Join remaining command line arguments
IND=$(expr $OPTIND - 1)
REST=("${ARGS[@]:$IND}")
TOPIC=${REST[@]:-"ReadLater"}

# Get all open files of application run by curent user filtered by document type
FILES=($(lsof -c $APP | grep $TYPE | awk -v user=$USER '{if ($3 == user) print $9}'))

# Associate each file with topic in output
for FILE in ${FILES[@]}; do
  echo "$TOPIC, $FILE"
done