Created update script for ledger-cli using simplefin

ledger/update.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+if [[ $# < 1 ]]; then
+    echo "Usage: $0 <start-date>"
+    exit
+fi
+
+if [[ -f "~/.simplefin.enc" ]]; then
+    echo "Simplefin access URL is missing."
+    echo "Please run the setup script before running update."
+    exit
+fi
+
+SCRIPT_DIR="$(dirname -- "${BASH_SOURCE[0]}")"
+ACCESS_URL="$(cat ~/.simplefin.enc | openssl aes-256-cbc -d -a -salt -pbkdf2 -iter 1000000)"
+
+curl -L "${ACCESS_URL}/accounts?start-date=$(date -d "$1" '+%s')&pending=1" | jq -r -f "${SCRIPT_DIR}/update.jq"