generate ctags file for use in VimL script

vimtags.sh

#!/bin/bash
#vim:set et sw=4 ts=4 foldenable foldmethod=marker:

tagsSourcedVimFiles(){
    # create tagfile containing sourced scriptfiles 
    [ -f /tmp/tagtemp ] && rm -f /tmp/tagtemp
    nvim -c"redir => message|silent scriptnames|redir END" \
        -c"silent put=message" \
        -c"w /tmp/tagtemp|q!" &&\
        cut -f2 -d':' /tmp/tagtemp\
        |sed -e 's/^[~]/'$HOME'/g' \
        |ctags --fields=+afikKlmnsSzt \
        --sort=yes \
        --extra=+Ffq.\
        --verbose \
        --language-force=vim\
        -L -\
        -f - >tags
}
tagsSourcedVimFiles

tagsAllVimfiles() {
find /usr/share/nvim/ . vimrc .vimrc.* -type f -iname \*.vim \
    | sort\
    | uniq\
    | ctags --fields=+afikKlmnsSzt \
    --sort=yes \
    --extra=+Ffq.\
    --verbose \
    --languages=vim\
    -L -\
    -f vimtags
}