append_to_envvar() {
    local __VAL_tmp_=$(eval "echo '$1'")
    local __VAL_tmp_=$(echo "$__VAL_tmp_" | sed "s/${2}//" )
    $1=$__VAL_tmp_${2}
}
insert_to_envvar() {
    local __VAL_tmp_=$(eval "echo '$1'")
    local __VAL_tmp_=$(echo "$__VAL_tmp_" | sed "s/${2}//" )
    $1=${2}$__VAL_tmp_
}
get_clean_path() {
  sed 's/ *:\?$//g;s/`/``/g;s/:/`:`/g;s/\\`:`/\\:/g;' <<< $1 | \
    awk -v RS='`:`' -v ORS='`:`' '!arr[$0]++' | \
    sed 's/`:`/:/g;s/:$//g'
}

# set PATH so it includes user's private bin if it exists
if [[ -d "$HOME/bin" ]] ; then
    export PATH="$HOME/bin:$PATH"
fi

# set PATH so it includes user's private bin if it exists
if [[ -d "$HOME/.local/bin" ]] ; then
    export PATH="$HOME/.local/bin:$PATH"
fi

PATH=$( get_clean_path $PATH )