添加 log_cmd.demo.sh

log_cmd.demo.sh

@@ -0,0 +1,22 @@
+#!/bin/env bash
+LOGFILE="/root/app/init.log"
+PG_DOCKER=/lzcsys/bin/pg-docker
+# 执行并记录日志 + 耗时
+log_cmd() {
+  local start end elapsed
+  echo "##### 执行命令: $* $(date +%Y%m%d-%H%M-%S)" | tee -a "$LOGFILE"
+
+  start=$(date +%s%N)
+
+  # 执行命令，输出到屏幕同时写入日志
+  "$@" 2>&1 | tee -a "$LOGFILE"
+
+  end=$(date +%s%N)
+  elapsed=$(( (end - start)/1000000 ))  # 毫秒
+
+  echo "⏱️ 耗时: ${elapsed} ms" | tee -a "$LOGFILE"
+  echo "" | tee -a "$LOGFILE"
+}
+
+log_cmd apt update
+log_cmd apt install -y wget tmux htop git