qq

#!/bin/bash

# notes folder, for note creation and limiting searches
NOTESDIR="$HOME/Dropbox/nvALT2.2"
# extension used for your notes
NOTESEXT="md"
# the prefix you use to separate "Question" notes
NOTESPRE="??"
# editor command to use for modifying answers
EDITOR="subl"

NOTESDIR=`echo $NOTESDIR|sed -e '/\/$/! s/$/\//'`

filename="filename"
AND="AND"

case $LANG in
  ru_RU.UTF-8|ru_RU)
    filename="имя"
    export LC_CTYPE=C
    AND="И"
  ;;
esac

if [[ "$1" == "-h" ]]
then
  appname=`basename $0`
  echo "$appname: build a knowledgebase with plain text files"
  echo "Find an answer: $appname \"terms to search for\""
  echo "Add a question\answer and (optional) tags: $appname -a \"Question in natural language\" \"Succinct answer\" \"tag1 tag2\""
  echo "Add a question\answer\tags interactively: $appname -a"
  echo "Edit a question\answer: $appname -e \"terms to search for\" # first question found is edited"
elif [[ "$1" == "-a" ]]
then
  if [ $# == 3 ]; then
    QUESTION=$2
    ANSWER=$3
  elif [ $# == 4 ]; then
    QUESTION=$2
    ANSWER=$3
    TAGS=$4
  elif [ $# == 1 ]; then
    echo -n "Question: "
    read QUESTION
    echo -n "Answer: "
    read ANSWER
    echo -n "Tags: "
    read TAGS
  else
    echo "Invalid number of arguments for -a(dd). Requires question and answer (or no arguments to input them at runtime)."
    echo "example: ${0##*/} -a \"What is the meaning of life?\" \"42\""
    exit 1
  fi
  echo -n "$ANSWER" > "${NOTESDIR}$NOTESPRE $QUESTION.$NOTESEXT" && echo "Question added and answered." || echo "Something went wrong"
  [[ ! -z $TAGS ]] && openmeta -a $TAGS -p "${NOTESDIR}$NOTESPRE $QUESTION.$NOTESEXT" && echo "Tags added." || echo "Something went wrong"
elif [[ "$1" == "-e" ]]; then
  shift
  INPUT=$@
  ANSWER=`mdfind -onlyin "$NOTESDIR" "${filename}:.$NOTESEXT ${AND} ${filename}:\"$NOTESPRE\" ${AND} ${INPUT%\?}"|head -n 1`
  if [[ "$ANSWER" == "" ]]; then
    echo "No results found for search."
    exit 2
  else
    $EDITOR "$ANSWER"
  fi
else
  INPUT=$@
  echo "`mdfind -onlyin \"$NOTESDIR\" -interpret \"${filename}:.$NOTESEXT ${AND} ${filename}:$NOTESPRE ${AND} ${INPUT%\?}\"`"|while read LINE; do
      if [[ "$LINE" == "" ]]; then
        echo "Sorry, I don't know the answer to that question."
        exit 1;
      fi
      QUESTION=${LINE##*/}
      echo -n "Q: "
      NOTESPREESC=`echo "$NOTESPRE"|sed -E 's/([\?\!\$\`\"]) ?/\\\\\1/g'`
      echo ${QUESTION%%.$NOTESEXT}|sed -E "s/$NOTESPREESC ?//g"|sed -E 's/([^\?])$/\1?/'
      echo -n "A: "
      cat "$LINE"|sed -E 's/@\([^\)]+\) ?//g'|sed -E 's/@copy\(([^\)]+)\)/\1/'|sed -E 's/@open\(([^\)+]*)\)/Related URL: \1/'|sed -E 's/@[^\( ]+ ?//g'|sed -E 's/^[   ]*|[  ]*$//g'
      if [[ `cat "$LINE"|grep -E '@copy\('` ]]; then
        cat "$LINE"|grep '@copy('|sed -E 's/.*@copy\(([^\)]+)\).*/\1/'|tr -d '\n'|pbcopy
        echo "Example in clipboard"
      fi

      if [[ `cat "$LINE"|grep -E '@open\('` ]]; then
        url=$(cat "$LINE"|grep '@open('|sed -E 's/.*@open\(([^\)]+)\).*/\1 /'|tr -d '\n')
        open -g $url
        echo "Opened URL"
      fi
      echo
  done
fi
exit 0