From aa490304efc4f5c02efda317ffe2a5a7cf1bd30b Mon Sep 17 00:00:00 2001
From: Dylan Araps <dylan.araps@gmail.com>
Date: Mon, 18 Jun 2018 09:25:38 +1000
Subject: [PATCH] Added method of getting function names.

---
 README.md | 11 ++++++++++-
 test.sh   |  5 +++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 58e31c8..c945c93 100644
--- a/README.md
+++ b/README.md
@@ -127,6 +127,7 @@ scripts and not full blown utilities.
     * [Check if a program is in the user's PATH.](#check-if-a-program-is-in-the-users-path)
     * [Get the current date using `strftime`.](#get-the-current-date-using-strftime)
     * [Progress bars.](#progress-bars)
+    * [Get the list of functions from your script.](#get-the-list-of-functions-from-your-script)
     * [Bypass shell aliases.](#bypass-shell-aliases)
     * [Bypass shell functions.](#bypass-shell-functions)
 
@@ -754,7 +755,6 @@ done
 shopt -u globstar
 ```
 
-
 # File handling
 
 **CAVEAT:** `bash` doesn't handle binary data properly in versions `< 4.4`.
@@ -1520,6 +1520,15 @@ done
 printf '\n'
 ```
 
+## Get the list of functions from your script.
+
+```sh
+get_functions() {
+    # Usage: get_functions
+    IFS=$'\n' read -d "" -ra functions < <(declare -F)
+    printf '%s\n' "${functions[@]//declare -f }"
+}
+```
 
 ## Bypass shell aliases.
 
diff --git a/test.sh b/test.sh
index caadc6a..c76604b 100755
--- a/test.sh
+++ b/test.sh
@@ -139,6 +139,11 @@ test_bar() {
     assert_equals "${result//$'\r'}" "[-----     ]"
 }
 
+test_get_functions() {
+    IFS=$'\n' read -d "" -ra functions < <(get_functions)
+    assert_equals "${functions[0]}" "assert_equals"
+}
+
 assert_equals() {
     if [[ "$1" == "$2" ]]; then
         ((pass+=1))