Bash slugify function

slugify.sh

#------------------------------------------------------------------------------------------
#  Slugify 
#
#  Usage: stdin -> slugify -> stdout
#  Example: $ printf "%s\n" "FYI: 'Tacit Programming' is Cool!" | slugify
#  Source: https://duncanlock.net/blog/2021/06/15/good-simple-bash-slugify-function/
#
#  1. Transliterate everything to ASCII
#  2. Strip out apostrophes
#  3. Replace non-alphanumeric runs with a dash
#  4. Strip leading and trailing dashes
#  5. Everything to lowercase
#------------------------------------------------------------------------------------------

slugify()
{
   iconv -t ascii//TRANSLIT \
   | tr -d "'" \
   | sed -E 's/[^a-zA-Z0-9]+/-/g' \
   | sed -E 's/^-+|-+$//g' \
   | tr "[:upper:]" "[:lower:]"
}