# Common functions for scripts
out() { printf '%s\n' "$@" >&2 ;}
err() { printf 'err: %s\n' "$@" >&2 ;}
die() { err "$@"; exit 1 ;}
lsindex() {
# This is a functionized version of lsindex.
# Script version: https://gist.github.com/4d8a03d65b7744365aaef88f7877cd22
case "$1" in
'') set -- "$PWD" ;;
/*) ;;
*) set -- "$(cd "$1" || return 1; printf "$PWD")"
esac
unset parentdir
curdir="${PWD#$1}" title="index of ${curdir:=/}"
[ "$curdir" = / ] || { parentdir=${curdir%/*}; : "${parentdir:=/}" ;}
printf "$title$title
"
[ "$parentdir" ] && printf "- Parent Directory
"
for file in *; do
[ "$file" = index.html ] && continue
[ -d "$file" ] && file="$file/"
printf '- %s
' "$file" "$file"
done
printf '%s\n' "