Generates ctags for libraries included at the top of C/C++ files

generate_ctags.sh

# Generates ctags for libraries included at the top of C/C++ files
# Requires ctags.
echo "Looking for *.c, *.h, *.cpp, *.hpp"
files=()
for i in $(grep -sroh '#include [<|"].*["|>]' *.c *.h *.cpp *.hpp | sort | uniq)
do
  if [[ $i != "#include" ]]
  then
    FILENAME=$(echo "${i:1:(${#i}-2)}")
    if [[ $(echo ${i:0:1}) == '"' ]]
    then
      if [ -f ./$FILENAME ]
      then
        echo "Found $FILENAME in `pwd`"
        files+=("./$FILENAME")
      fi
    else
      if [ -f /usr/include/$FILENAME ]
      then
        echo "Found $FILENAME in /usr/include/"
        files+=("/usr/include/$FILENAME")
      fi
    fi
  fi
done

echo "Generating ctags..."
ctags -R --c++-kinds=+p --fields=+iaS --extra=+q ${files[*]}
echo "Done! Taglist created."