#!/bin/bash
current=$(date "+%Y")
for ((year=1900; year<=current; year=year+1))
do
  grep "/$year/" README.md | grep -v "($year)" | grep -v " - (" | while read -r line
  do
    echo "$line"
    replace=$(echo "$line" | sed "s/) - /) - ($year) /g" | sed -e "s#\*#\\\*#g" | sed -e "s#\[#\\\[#g" | sed -e "s#\]#\\\]#g" | sed -e "s#/#\\\/#g")
    orig=$(echo "$line" | sed -e "s#/#\\\/#g" | sed -e "s#\*#\\\*#g" |  sed -e "s#\[#\\\[#g" | sed -e "s#\]#\\\]#g" )
    sed -i.bak "s;$orig;$replace;g" README.md
  done
done