zsh: add sced (script edit)

.config/shell/bin/sced

@@ -0,0 +1,21 @@
+#!/bin/bash
+# sced (script edit) edit a script or function that's somewhere inside the shell configuration
+# Usage: bined <script name>
+# Depends: fd
+
+# start in the directory above the script
+cd "$(dirname "$(realpath "$0")")"/.. || exit 1
+
+# get the path to the file if there was an argument
+if [ -n "$1" ]; then
+  FILE="$(fd --exact-depth 2 --max-results=1 -at f "$1")"
+  if [ "$FILE" = '' ]; then
+    FILE="$(dirname "$(realpath "$0")")/../$1"
+  fi
+else
+  # edit >this< script by default
+  FILE="$(realpath "$0")"
+fi
+
+# edit the file
+"${EDITOR:-$(which nvim)}" "${FILE:-$(realpath "$0")}"