How do I list the functions defined in my shell?

Question

I can type alias to show a list of all the aliases.

But for functions, all I can do is grep my .bash_profile.

That only gets the ones in that fi

Answer 1

I'm no expert at this, still learning, but after finding this question and its answer because I wanted the same, I wrote the following (based on "The Archetypal Paul's declare" answer) to give me ultimately what I was after: a formatted list of both aliases and functions:

function functionaliaslist() {
    echo
    echo -e "\033[1;4;32m""Functions:""\033[0;34m"
    declare -F | awk {'print $3'}
    echo
    echo -e "\033[1;4;32m""Aliases:""\033[0;34m"
    alias | awk {'print $2'} | awk -F= {'print $1'}
    echo
    echo -e "\033[0m"
}

That was before I saw Lri's answer, and so extrapolating from that, I replace the declare and alias lines with appropriate compgen commands instead, to get:

function functionaliaslist() {
    echo
    echo -e "\033[1;4;32m""Functions:""\033[0;34m"
    compgen -A function
    echo
    echo -e "\033[1;4;32m""Aliases:""\033[0;34m"
    compgen -A alias
    echo
    echo -e "\033[0m"
}

Woks a treat for what I wanted. Sharing in case it helps anyone else.

There are a multitude of other "actions" available to compgen -A [action] (and other options for compgen of course). I found a good write-up here which also includes a link to the man page (because man compgen doesn't work in some cases).