From 4fd624b4df00d6ad20d8a7e8295585334bbcadcc Mon Sep 17 00:00:00 2001
From: fscarmen <62703343+fscarmen@users.noreply.github.com>
Date: Tue, 29 Aug 2023 22:16:37 +0800
Subject: [PATCH] Create reserved.sh

---
 reserved.sh | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 reserved.sh

diff --git a/reserved.sh b/reserved.sh
new file mode 100644
index 0000000..9fab462
--- /dev/null
+++ b/reserved.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+read -rp "输入reserved: " RESERVED
+if [ "${#RESERVED}" = 4 ]; then
+  DECODE=$(echo "$RESERVED" | base64 -d | xxd -p | fold -w2 | while read HEX; do printf '%d ' "0x${HEX}"; done | awk '{print "["$1", "$2", "$3"]"}')
+  echo "解码后: $DECODE"
+else
+  BYTE[0]=$(grep -oE '[0-9]+' <<< "$RESERVED" | head -n 1)
+  BYTE[1]=$(grep -oE '[0-9]+' <<< "$RESERVED" | sed -n '2p')
+  BYTE[2]=$(grep -oE '[0-9]+' <<< "$RESERVED" | tail -n 1)
+  ENCODE=$(echo "$RESERVED" | printf '%02x' ${BYTE[0]} ${BYTE[1]} ${BYTE[2]} | xxd -r -p | base64)
+  echo "编码后: $ENCODE"
+fi