#!/usr/bin/env bash
escape() {
  sed 's/[^^]/[&]/g; s/\^/\\^/g' <<<"$1";
}
export -f escape
escapeReplace() {
  sed 's/[&/\]/\\&/g' <<<"$1";
}
export -f escapeReplace
searchfile() {
  LINKS=$(grep -oP '(?<=\]\().+?(?=[\)| ])' "$1")
  for link in $LINKS; do
    if echo $link | grep -E '^http' >/dev/null; then
      continue
    fi
    if echo $link | grep -E ".md$" && find . -name "$link"; then
      continue
    fi
    echo $link
    FILES=$(find . -iname "*$(basename $link)*")
    echo "$FILES" | cat --number
    read PICK
    FILE=$(basename $(echo "$FILES" | head -n $PICK | tail -n 1) .md)
    sed -i "s/$(escape '('$link')')/\($(escapeReplace $FILE)\)/" "$1"
  done
}
export -f searchfile
find . -iname "*.md" -exec bash -c 'searchfile "$0"' {} \;